6397704819567 has 24 divisors (see below), whose sum is σ = 9769253410800. Its totient is φ = 4023313780608.

The previous prime is 6397704819487. The next prime is 6397704819629. The reversal of 6397704819567 is 7659184077936.

It is a happy number.

6397704819567 is a `hidden beast` number, since 6 + 3 + 9 + 7 + 7 + 0 + 48 + 19 + 567 = 666.

6397704819567 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6397704819567 - 2²⁴ = 6397688042351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6397704819495 and 6397704819504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397704819067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80246592 + ... + 80326277.

It is an arithmetic number, because the mean of its divisors is an integer number (407052225450).

Almost surely, 2^{6397704819567} is an apocalyptic number.

6397704819567 is a deficient number, since it is larger than the sum of its proper divisors (3371548591233).

6397704819567 is a wasteful number, since it uses less digits than its factorization.

6397704819567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160573127 (or 160573124 counting only the distinct ones).

The product of its (nonzero) digits is 480090240, while the sum is 72.

The spelling of 6397704819567 in words is "six trillion, three hundred ninety-seven billion, seven hundred four million, eight hundred nineteen thousand, five hundred sixty-seven".