19378615696 has 20 divisors (see below), whose sum is σ = 40959347184. Its totient is φ = 8808461600.

The previous prime is 19378615687. The next prime is 19378615733. The reversal of 19378615696 is 69651687391.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55052710 + ... + 55053061.

Almost surely, 2^19378615696 is an apocalyptic number.

19378615696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19378615696 is an abundant number, since it is smaller than the sum of its proper divisors (21580731488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19378615696 is a wasteful number, since it uses less digits than its factorization.

19378615696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110105790 (or 110105784 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 61.

The spelling of 19378615696 in words is "nineteen billion, three hundred seventy-eight million, six hundred fifteen thousand, six hundred ninety-six".