It is a tau number, because it is divible by the number of its divisors (18).
It is an unprimeable number.
Almost surely, 26425136684 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6425136684 is a wasteful number, since it uses less digits than its factorization.
6425136684 is an evil number, because the sum of its binary digits is even.
The square root of 6425136684 is about 80156.9503162390. The cubic root of 6425136684 is about 1859.0630695729.
The spelling of 6425136684 in words is "six billion, four hundred twenty-five million, one hundred thirty-six thousand, six hundred eighty-four".