25453164868 has 12 divisors (see below), whose sum is σ = 44586758160. Its totient is φ = 12714091112.

The previous prime is 25453164857. The next prime is 25453164901. The reversal of 25453164868 is 86846135452.

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, 3118246 + ... + 3126397.

It is an arithmetic number, because the mean of its divisors is an integer number (3715563180).

Almost surely, 2^25453164868 is an apocalyptic number.

It is an amenable number.

25453164868 is a deficient number, since it is larger than the sum of its proper divisors (19133593292).

25453164868 is a wasteful number, since it uses less digits than its factorization.

25453164868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6245666 (or 6245664 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 52.

The spelling of 25453164868 in words is "twenty-five billion, four hundred fifty-three million, one hundred sixty-four thousand, eight hundred sixty-eight".