19603994932 has 12 divisors (see below), whose sum is σ = 34362418720. Its totient is φ = 9786161016.

The previous prime is 19603994909. The next prime is 19603994939. The reversal of 19603994932 is 23949930691.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19603994939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3956328 + ... + 3961279.

Almost surely, 2^19603994932 is an apocalyptic number.

It is an amenable number.

19603994932 is a deficient number, since it is larger than the sum of its proper divisors (14758423788).

19603994932 is a wasteful number, since it uses less digits than its factorization.

19603994932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918230 (or 7918228 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 55.

The spelling of 19603994932 in words is "nineteen billion, six hundred three million, nine hundred ninety-four thousand, nine hundred thirty-two".