25453164871 has 8 divisors (see below), whose sum is σ = 25762988160. Its totient is φ = 25143416952.

The previous prime is 25453164857. The next prime is 25453164901. The reversal of 25453164871 is 17846135452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25453164871 - 2⁷ = 25453164743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25453164811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979776 + ... + 1005418.

It is an arithmetic number, because the mean of its divisors is an integer number (3220373520).

Almost surely, 2^25453164871 is an apocalyptic number.

25453164871 is a deficient number, since it is larger than the sum of its proper divisors (309823289).

25453164871 is a wasteful number, since it uses less digits than its factorization.

25453164871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37685.

The product of its digits is 806400, while the sum is 46.

The spelling of 25453164871 in words is "twenty-five billion, four hundred fifty-three million, one hundred sixty-four thousand, eight hundred seventy-one".