25425792684 has 72 divisors (see below), whose sum is σ = 64834398720. Its totient is φ = 8401059072.

The previous prime is 25425792649. The next prime is 25425792703. The reversal of 25425792684 is 48629752452.

25425792684 is a `hidden beast` number, since 2 + 5 + 4 + 2 + 579 + 2 + 68 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 25425792684.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7921672 + ... + 7924880.

It is an arithmetic number, because the mean of its divisors is an integer number (900477760).

Almost surely, 2^25425792684 is an apocalyptic number.

It is an amenable number.

25425792684 is an abundant number, since it is smaller than the sum of its proper divisors (39408606036).

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

25425792684 is a wasteful number, since it uses less digits than its factorization.

25425792684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079 (or 5074 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 25425792684 in words is "twenty-five billion, four hundred twenty-five million, seven hundred ninety-two thousand, six hundred eighty-four".