25943634952 has 16 divisors (see below), whose sum is σ = 48966465600. Its totient is φ = 12885910800.

The previous prime is 25943634931. The next prime is 25943634971.

25943634952 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25943634952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10737052 + ... + 10739467.

It is an arithmetic number, because the mean of its divisors is an integer number (3060404100).

Almost surely, 2^25943634952 is an apocalyptic number.

It is an amenable number.

25943634952 is a deficient number, since it is larger than the sum of its proper divisors (23022830648).

25943634952 is a wasteful number, since it uses less digits than its factorization.

25943634952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21476676 (or 21476672 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 52.

The spelling of 25943634952 in words is "twenty-five billion, nine hundred forty-three million, six hundred thirty-four thousand, nine hundred fifty-two".