25249488934 has 4 divisors (see below), whose sum is σ = 37874233404. Its totient is φ = 12624744466.

The previous prime is 25249488923. The next prime is 25249488967. The reversal of 25249488934 is 43988494252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312372232 + ... + 6312372235.

It is an arithmetic number, because the mean of its divisors is an integer number (9468558351).

Almost surely, 2^25249488934 is an apocalyptic number.

25249488934 is a deficient number, since it is larger than the sum of its proper divisors (12624744470).

25249488934 is a wasteful number, since it uses less digits than its factorization.

25249488934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12624744469.

The product of its digits is 19906560, while the sum is 58.

The spelling of 25249488934 in words is "twenty-five billion, two hundred forty-nine million, four hundred eighty-eight thousand, nine hundred thirty-four".