25710634972 has 24 divisors (see below), whose sum is σ = 49241791872. Its totient is φ = 11649068400.

The previous prime is 25710634931. The next prime is 25710634987. The reversal of 25710634972 is 27943601752.

It is a super-2 number, since 2×25710634972² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 925758 + ... + 953125.

It is an arithmetic number, because the mean of its divisors is an integer number (2051741328).

Almost surely, 2^25710634972 is an apocalyptic number.

25710634972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25710634972 is a deficient number, since it is larger than the sum of its proper divisors (23531156900).

25710634972 is a wasteful number, since it uses less digits than its factorization.

25710634972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879209 (or 1879207 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 25710634972 in words is "twenty-five billion, seven hundred ten million, six hundred thirty-four thousand, nine hundred seventy-two".