19989522332 has 48 divisors (see below), whose sum is σ = 38005615200. Its totient is φ = 9144638208.

The previous prime is 19989522313. The next prime is 19989522353. The reversal of 19989522332 is 23322598991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4049738 + ... + 4054670.

It is an arithmetic number, because the mean of its divisors is an integer number (791783650).

Almost surely, 2^19989522332 is an apocalyptic number.

It is an amenable number.

19989522332 is a deficient number, since it is larger than the sum of its proper divisors (18016092868).

19989522332 is a wasteful number, since it uses less digits than its factorization.

19989522332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622 (or 5620 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

The spelling of 19989522332 in words is "nineteen billion, nine hundred eighty-nine million, five hundred twenty-two thousand, three hundred thirty-two".