19696913692 has 12 divisors (see below), whose sum is σ = 36283788520. Its totient is φ = 9330116976.

The previous prime is 19696913681. The next prime is 19696913699. The reversal of 19696913692 is 29631969691.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 19696913692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19696913699) 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, 129584883 + ... + 129585034.

Almost surely, 2^19696913692 is an apocalyptic number.

It is an amenable number.

19696913692 is a deficient number, since it is larger than the sum of its proper divisors (16586874828).

19696913692 is a wasteful number, since it uses less digits than its factorization.

19696913692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259169940 (or 259169938 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 61.

The spelling of 19696913692 in words is "nineteen billion, six hundred ninety-six million, nine hundred thirteen thousand, six hundred ninety-two".