25339668514 has 16 divisors (see below), whose sum is σ = 39899599488. Its totient is φ = 12046399552.

The previous prime is 25339668499. The next prime is 25339668533. The reversal of 25339668514 is 41586693352.

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, 1641607 + ... + 1656970.

It is an arithmetic number, because the mean of its divisors is an integer number (2493724968).

Almost surely, 2^25339668514 is an apocalyptic number.

25339668514 is a deficient number, since it is larger than the sum of its proper divisors (14559930974).

25339668514 is a wasteful number, since it uses less digits than its factorization.

25339668514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298769.

The product of its digits is 4665600, while the sum is 52.

The spelling of 25339668514 in words is "twenty-five billion, three hundred thirty-nine million, six hundred sixty-eight thousand, five hundred fourteen".