25497195004 has 12 divisors (see below), whose sum is σ = 44644473328. Its totient is φ = 12741631200.

The previous prime is 25497194981. The next prime is 25497195013. The reversal of 25497195004 is 40059179452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733337 + ... + 1747984.

Almost surely, 2^25497195004 is an apocalyptic number.

It is an amenable number.

25497195004 is a deficient number, since it is larger than the sum of its proper divisors (19147278324).

25497195004 is a wasteful number, since it uses less digits than its factorization.

25497195004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483156 (or 3483154 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 25497195004 in words is "twenty-five billion, four hundred ninety-seven million, one hundred ninety-five thousand, four".