19696424579 has 12 divisors (see below), whose sum is σ = 21341487816. Its totient is φ = 18169886592.

The previous prime is 19696424567. The next prime is 19696424599. The reversal of 19696424579 is 97542469691.

It is not a de Polignac number, because 19696424579 - 2⁸ = 19696424323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19696424599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239147 + ... + 310779.

It is an arithmetic number, because the mean of its divisors is an integer number (1778457318).

Almost surely, 2^19696424579 is an apocalyptic number.

19696424579 is a deficient number, since it is larger than the sum of its proper divisors (1645063237).

19696424579 is a wasteful number, since it uses less digits than its factorization.

19696424579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73286 (or 73273 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 62.

The spelling of 19696424579 in words is "nineteen billion, six hundred ninety-six million, four hundred twenty-four thousand, five hundred seventy-nine".