25996972694 has 48 divisors (see below), whose sum is σ = 49021459200. Its totient is φ = 10121366640.

The previous prime is 25996972633. The next prime is 25996972717. The reversal of 25996972694 is 49627969952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2737847 + ... + 2747325.

It is an arithmetic number, because the mean of its divisors is an integer number (1021280400).

Almost surely, 2^25996972694 is an apocalyptic number.

25996972694 is a deficient number, since it is larger than the sum of its proper divisors (23024486506).

25996972694 is a wasteful number, since it uses less digits than its factorization.

25996972694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11129 (or 11118 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 68.

The spelling of 25996972694 in words is "twenty-five billion, nine hundred ninety-six million, nine hundred seventy-two thousand, six hundred ninety-four".