25692994672 has 20 divisors (see below), whose sum is σ = 50937857080. Its totient is φ = 12547741248.

The previous prime is 25692994669. The next prime is 25692994697. The reversal of 25692994672 is 27649929652.

It is a self number, because there is not a number n which added to its sum of digits gives 25692994672.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 18671547 + ... + 18672922.

It is an arithmetic number, because the mean of its divisors is an integer number (2546892854).

Almost surely, 2^25692994672 is an apocalyptic number.

It is an amenable number.

25692994672 is a deficient number, since it is larger than the sum of its proper divisors (25244862408).

25692994672 is a wasteful number, since it uses less digits than its factorization.

25692994672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37344520 (or 37344514 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 61.

The spelling of 25692994672 in words is "twenty-five billion, six hundred ninety-two million, nine hundred ninety-four thousand, six hundred seventy-two".