19459572008 has 32 divisors (see below), whose sum is σ = 37194629760. Its totient is φ = 9541197120.

The previous prime is 19459571983. The next prime is 19459572017. The reversal of 19459572008 is 80027595491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873893 + ... + 895883.

It is an arithmetic number, because the mean of its divisors is an integer number (1162332180).

Almost surely, 2^19459572008 is an apocalyptic number.

It is an amenable number.

19459572008 is a deficient number, since it is larger than the sum of its proper divisors (17735057752).

19459572008 is a wasteful number, since it uses less digits than its factorization.

19459572008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24137 (or 24133 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 19459572008 in words is "nineteen billion, four hundred fifty-nine million, five hundred seventy-two thousand, eight".