25432794896 has 20 divisors (see below), whose sum is σ = 49342383552. Its totient is φ = 12699276576.

The previous prime is 25432794889. The next prime is 25432794901. The reversal of 25432794896 is 69849723452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057796 + ... + 1081571.

Almost surely, 2^25432794896 is an apocalyptic number.

It is an amenable number.

25432794896 is a deficient number, since it is larger than the sum of its proper divisors (23909588656).

25432794896 is a wasteful number, since it uses less digits than its factorization.

25432794896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140118 (or 2140112 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 59.

The spelling of 25432794896 in words is "twenty-five billion, four hundred thirty-two million, seven hundred ninety-four thousand, eight hundred ninety-six".