19631932996 has 81 divisors (see below), whose sum is σ = 39644066469. Its totient is φ = 8500996608.

The previous prime is 19631932961. The next prime is 19631933011. The reversal of 19631932996 is 69923913691.

The square root of 19631932996 is 140114.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 19229368900 + 402564096 = 138670^2 + 20064^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19631932996.

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 26 ways as a sum of consecutive naturals, for example, 61930230 + ... + 61930546.

Almost surely, 2^19631932996 is an apocalyptic number.

19631932996 is the 140114-th square number.

It is an amenable number.

19631932996 is an abundant number, since it is smaller than the sum of its proper divisors (20012133473).

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

19631932996 is a wasteful number, since it uses less digits than its factorization.

19631932996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 349 counting only the distinct ones).

The product of its digits is 4251528, while the sum is 58.

The spelling of 19631932996 in words is "nineteen billion, six hundred thirty-one million, nine hundred thirty-two thousand, nine hundred ninety-six".