19079988697 has 12 divisors (see below), whose sum is σ = 23968251328. Its totient is φ = 14867523000.

The previous prime is 19079988667. The next prime is 19079988737. The reversal of 19079988697 is 79688997091.

It is not a de Polignac number, because 19079988697 - 2⁷ = 19079988569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19079988667) 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, 11262429 + ... + 11264122.

Almost surely, 2^19079988697 is an apocalyptic number.

It is an amenable number.

19079988697 is a deficient number, since it is larger than the sum of its proper divisors (4888262631).

19079988697 is a wasteful number, since it uses less digits than its factorization.

19079988697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22526580 (or 22526569 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 73.

The spelling of 19079988697 in words is "nineteen billion, seventy-nine million, nine hundred eighty-eight thousand, six hundred ninety-seven".