25315374934 has 16 divisors (see below), whose sum is σ = 40757553648. Its totient is φ = 11749923072.

The previous prime is 25315374913. The next prime is 25315374943. The reversal of 25315374934 is 43947351352.

It is a congruent number.

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, 5097312 + ... + 5102275.

It is an arithmetic number, because the mean of its divisors is an integer number (2547347103).

Almost surely, 2^25315374934 is an apocalyptic number.

25315374934 is a deficient number, since it is larger than the sum of its proper divisors (15442178714).

25315374934 is a wasteful number, since it uses less digits than its factorization.

25315374934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10199679.

The product of its digits is 1360800, while the sum is 46.

The spelling of 25315374934 in words is "twenty-five billion, three hundred fifteen million, three hundred seventy-four thousand, nine hundred thirty-four".