19934334608 has 10 divisors (see below), whose sum is σ = 38622773334. Its totient is φ = 9967167296.

The previous prime is 19934334547. The next prime is 19934334619. The reversal of 19934334608 is 80643343991.

It can be written as a sum of positive squares in only one way, i.e., 13653455104 + 6280879504 = 116848^2 + 79252^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622947941 + ... + 622947972.

Almost surely, 2^19934334608 is an apocalyptic number.

It is an amenable number.

19934334608 is a deficient number, since it is larger than the sum of its proper divisors (18688438726).

19934334608 is a wasteful number, since it uses less digits than its factorization.

19934334608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245895921 (or 1245895915 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 19934334608 in words is "nineteen billion, nine hundred thirty-four million, three hundred thirty-four thousand, six hundred eight".