6397150639568 has 40 divisors (see below), whose sum is σ = 13349101852800. Its totient is φ = 2952265405824.

The previous prime is 6397150639501. The next prime is 6397150639571. The reversal of 6397150639568 is 8659360517936.

It is a junction number, because it is equal to n+sod(n) for n = 6397150639498 and 6397150639507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943013 + ... + 3699131.

It is an arithmetic number, because the mean of its divisors is an integer number (333727546320).

Almost surely, 2^{6397150639568} is an apocalyptic number.

It is an amenable number.

6397150639568 is an abundant number, since it is smaller than the sum of its proper divisors (6951951213232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6397150639568 is a wasteful number, since it uses less digits than its factorization.

6397150639568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767299 (or 2767293 counting only the distinct ones).

The product of its (nonzero) digits is 220449600, while the sum is 68.

The spelling of 6397150639568 in words is "six trillion, three hundred ninety-seven billion, one hundred fifty million, six hundred thirty-nine thousand, five hundred sixty-eight".