19079988696 has 112 divisors (see below), whose sum is σ = 53950829760. Its totient is φ = 6322898880.

The previous prime is 19079988667. The next prime is 19079988737. The reversal of 19079988696 is 69688997091.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 999481 + ... + 1018391.

Almost surely, 2^19079988696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19079988696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26975414880).

19079988696 is an abundant number, since it is smaller than the sum of its proper divisors (34870841064).

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

19079988696 is a wasteful number, since it uses less digits than its factorization.

19079988696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19108 (or 19089 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 72.

The spelling of 19079988696 in words is "nineteen billion, seventy-nine million, nine hundred eighty-eight thousand, six hundred ninety-six".