25297908968 has 32 divisors (see below), whose sum is σ = 47607804000. Its totient is φ = 12602546880.

The previous prime is 25297908943. The next prime is 25297909003. The reversal of 25297908968 is 86980979252.

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, 7463018 + ... + 7466406.

It is an arithmetic number, because the mean of its divisors is an integer number (1487743875).

Almost surely, 2^25297908968 is an apocalyptic number.

It is an amenable number.

25297908968 is a deficient number, since it is larger than the sum of its proper divisors (22309895032).

25297908968 is a wasteful number, since it uses less digits than its factorization.

25297908968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545 (or 6541 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 25297908968 in words is "twenty-five billion, two hundred ninety-seven million, nine hundred eight thousand, nine hundred sixty-eight".