19937528992 has 24 divisors (see below), whose sum is σ = 39656676276. Its totient is φ = 9865992192.

The previous prime is 19937528969. The next prime is 19937529023. The reversal of 19937528992 is 29982573991.

It can be written as a sum of positive squares in 2 ways, for example, as 19857319056 + 80209936 = 140916^2 + 8956^2 .

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, 3208483 + ... + 3214690.

Almost surely, 2^19937528992 is an apocalyptic number.

It is an amenable number.

19937528992 is a deficient number, since it is larger than the sum of its proper divisors (19719147284).

19937528992 is an equidigital number, since it uses as much as digits as its factorization.

19937528992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423280 (or 6423272 counting only the distinct ones).

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

The spelling of 19937528992 in words is "nineteen billion, nine hundred thirty-seven million, five hundred twenty-eight thousand, nine hundred ninety-two".