25696122274 has 16 divisors (see below), whose sum is σ = 38717521920. Its totient is φ = 12790319040.

The previous prime is 25696122259. The next prime is 25696122299. The reversal of 25696122274 is 47222169652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719567 + ... + 1734445.

It is an arithmetic number, because the mean of its divisors is an integer number (2419845120).

Almost surely, 2^25696122274 is an apocalyptic number.

25696122274 is a deficient number, since it is larger than the sum of its proper divisors (13021399646).

25696122274 is a wasteful number, since it uses less digits than its factorization.

25696122274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18705.

The product of its digits is 725760, while the sum is 46.

The spelling of 25696122274 in words is "twenty-five billion, six hundred ninety-six million, one hundred twenty-two thousand, two hundred seventy-four".