19634708204 has 12 divisors (see below), whose sum is σ = 35469150528. Its totient is φ = 9500665200.

The previous prime is 19634708143. The next prime is 19634708221. The reversal of 19634708204 is 40280743691.

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, 79172087 + ... + 79172334.

It is an arithmetic number, because the mean of its divisors is an integer number (2955762544).

Almost surely, 2^19634708204 is an apocalyptic number.

It is an amenable number.

19634708204 is a deficient number, since it is larger than the sum of its proper divisors (15834442324).

19634708204 is a wasteful number, since it uses less digits than its factorization.

19634708204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158344456 (or 158344454 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 19634708204 in words is "nineteen billion, six hundred thirty-four million, seven hundred eight thousand, two hundred four".