25453049684 has 12 divisors (see below), whose sum is σ = 45578717184. Its totient is φ = 12430559064.

The previous prime is 25453049669. The next prime is 25453049707. The reversal of 25453049684 is 48694035452.

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, 73991252 + ... + 73991595.

It is an arithmetic number, because the mean of its divisors is an integer number (3798226432).

Almost surely, 2^25453049684 is an apocalyptic number.

It is an amenable number.

25453049684 is a deficient number, since it is larger than the sum of its proper divisors (20125667500).

25453049684 is a wasteful number, since it uses less digits than its factorization.

25453049684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147982894 (or 147982892 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 25453049684 in words is "twenty-five billion, four hundred fifty-three million, forty-nine thousand, six hundred eighty-four".