19893299752 has 16 divisors (see below), whose sum is σ = 37345052160. Its totient is φ = 9934619184.

The previous prime is 19893299729. The next prime is 19893299773. The reversal of 19893299752 is 25799239891.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496808 + ... + 1510039.

It is an arithmetic number, because the mean of its divisors is an integer number (2334065760).

Almost surely, 2^19893299752 is an apocalyptic number.

It is an amenable number.

19893299752 is a deficient number, since it is larger than the sum of its proper divisors (17451752408).

19893299752 is a wasteful number, since it uses less digits than its factorization.

19893299752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007680 (or 3007676 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 64.

The spelling of 19893299752 in words is "nineteen billion, eight hundred ninety-three million, two hundred ninety-nine thousand, seven hundred fifty-two".