25673134902 has 64 divisors (see below), whose sum is σ = 57489481728. Its totient is φ = 7604352000.

The previous prime is 25673134841. The next prime is 25673135017. The reversal of 25673134902 is 20943137652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30627 + ... + 228657.

It is an arithmetic number, because the mean of its divisors is an integer number (898273152).

Almost surely, 2^25673134902 is an apocalyptic number.

25673134902 is an abundant number, since it is smaller than the sum of its proper divisors (31816346826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25673134902 is a wasteful number, since it uses less digits than its factorization.

25673134902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198125.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 25673134902 in words is "twenty-five billion, six hundred seventy-three million, one hundred thirty-four thousand, nine hundred two".