25039387916 has 12 divisors (see below), whose sum is σ = 43822187640. Its totient is φ = 12518762880.

The previous prime is 25039387889. The next prime is 25039387927. The reversal of 25039387916 is 61978393052.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170405 + ... + 281276.

It is an arithmetic number, because the mean of its divisors is an integer number (3651848970).

Almost surely, 2^25039387916 is an apocalyptic number.

It is an amenable number.

25039387916 is a deficient number, since it is larger than the sum of its proper divisors (18782799724).

25039387916 is a wasteful number, since it uses less digits than its factorization.

25039387916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465544 (or 465542 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 25039387916 in words is "twenty-five billion, thirty-nine million, three hundred eighty-seven thousand, nine hundred sixteen".