As of 10/9/2015, no live official trademarks were found on USPTO.gov for the exact terms/numbers
So 648768 = Wealthy for six lifetimes and Fortune all the way
So 768648 = Fortune all the way and Wealthy for six lifetimes
In this combination, "4" morphs from its general negativity and in this context is actually positive.
In the West, a 6-number domain may seem slightly long and mean little to average Occidentals; heck, we don't fully understand the premise, either. However...
In Chinese culture, "8" is the luckiest number; "6" is also considered very lucky, representing prosperity and flow. "7" represents togetherness and balanced relationships.
Despite popular belief among Westerners, "4" is not always unlucky, as shown on Travel China Guide; 4 represents the following in the natural world:
Earth, Water, Fire, and Wind
East, West, South, and North
Spring, Summer, Fall, and Winter
4 also has numerous positive connotations in Chinese culture, as listed on the above website.
The Chinese market for numerals is HUGE.
Domains sold separately.
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