69400925957 has 16 divisors (see below), whose sum is σ = 78165049344. Its totient is φ = 61046622000.

The previous prime is 69400925939. The next prime is 69400925977. The reversal of 69400925957 is 75952900496.

It is a cyclic number.

It is not a de Polignac number, because 69400925957 - 2²⁸ = 69132490501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69400925977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2780708 + ... + 2805554.

It is an arithmetic number, because the mean of its divisors is an integer number (4885315584).

Almost surely, 2^69400925957 is an apocalyptic number.

It is an amenable number.

69400925957 is a deficient number, since it is larger than the sum of its proper divisors (8764123387).

69400925957 is a wasteful number, since it uses less digits than its factorization.

69400925957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33080.

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 69400925957 in words is "sixty-nine billion, four hundred million, nine hundred twenty-five thousand, nine hundred fifty-seven".