25743979089 has 32 divisors (see below), whose sum is σ = 39128302080. Its totient is φ = 16718832000.

The previous prime is 25743979043. The next prime is 25743979099. The reversal of 25743979089 is 98097934752.

25743979089 is a `hidden beast` number, since 2 + 57 + 439 + 79 + 0 + 89 = 666.

It is not a de Polignac number, because 25743979089 - 2⁷ = 25743978961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25743979039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732264 + ... + 766614.

It is an arithmetic number, because the mean of its divisors is an integer number (1222759440).

Almost surely, 2^25743979089 is an apocalyptic number.

It is an amenable number.

25743979089 is a deficient number, since it is larger than the sum of its proper divisors (13384322991).

25743979089 is a wasteful number, since it uses less digits than its factorization.

25743979089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35078 (or 35072 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 25743979089 in words is "twenty-five billion, seven hundred forty-three million, nine hundred seventy-nine thousand, eighty-nine".