6397011655290 has 48 divisors (see below), whose sum is σ = 16644397580928. Its totient is φ = 1704621848928.

The previous prime is 6397011655271. The next prime is 6397011655313. The reversal of 6397011655290 is 925561107936.

6397011655290 is a `hidden beast` number, since 6 + 3 + 9 + 70 + 1 + 16 + 552 + 9 + 0 = 666.

It is a super-2 number, since 2×6397011655290² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25874742 + ... + 26120801.

It is an arithmetic number, because the mean of its divisors is an integer number (346758282936).

Almost surely, 2^{6397011655290} is an apocalyptic number.

6397011655290 is an abundant number, since it is smaller than the sum of its proper divisors (10247385925638).

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

6397011655290 is a wasteful number, since it uses less digits than its factorization.

6397011655290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51996923 (or 51996920 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 6397011655290 in words is "six trillion, three hundred ninety-seven billion, eleven million, six hundred fifty-five thousand, two hundred ninety".