18425765708 has 24 divisors (see below), whose sum is σ = 36871269792. Its totient is φ = 7892527104.

The previous prime is 18425765689. The next prime is 18425765719. The reversal of 18425765708 is 80756752481.

It is a super-2 number, since 2×18425765708² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18425765708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122741 + ... + 227852.

It is an arithmetic number, because the mean of its divisors is an integer number (1536302908).

Almost surely, 2^18425765708 is an apocalyptic number.

It is an amenable number.

18425765708 is an abundant number, since it is smaller than the sum of its proper divisors (18445504084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18425765708 is a wasteful number, since it uses less digits than its factorization.

18425765708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352481 (or 352479 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 18425765708 in words is "eighteen billion, four hundred twenty-five million, seven hundred sixty-five thousand, seven hundred eight".