25314923812 has 12 divisors (see below), whose sum is σ = 44757829900. Its totient is φ = 12526972416.

The previous prime is 25314923801. The next prime is 25314923819. The reversal of 25314923812 is 21832941352.

It can be written as a sum of positive squares in 2 ways, for example, as 17642214976 + 7672708836 = 132824^2 + 87594^2 .

It is a super-2 number, since 2×25314923812² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25314923819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32621937 + ... + 32622712.

Almost surely, 2^25314923812 is an apocalyptic number.

It is an amenable number.

25314923812 is a deficient number, since it is larger than the sum of its proper divisors (19442906088).

25314923812 is a wasteful number, since it uses less digits than its factorization.

25314923812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65244750 (or 65244748 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The spelling of 25314923812 in words is "twenty-five billion, three hundred fourteen million, nine hundred twenty-three thousand, eight hundred twelve".