18969225896 has 16 divisors (see below), whose sum is σ = 37113703200. Its totient is φ = 9072238384.

The previous prime is 18969225883. The next prime is 18969225901. The reversal of 18969225896 is 69852296981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51546626 + ... + 51546993.

It is an arithmetic number, because the mean of its divisors is an integer number (2319606450).

Almost surely, 2^18969225896 is an apocalyptic number.

It is an amenable number.

18969225896 is a deficient number, since it is larger than the sum of its proper divisors (18144477304).

18969225896 is a wasteful number, since it uses less digits than its factorization.

18969225896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103093648 (or 103093644 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 65.

The spelling of 18969225896 in words is "eighteen billion, nine hundred sixty-nine million, two hundred twenty-five thousand, eight hundred ninety-six".