79269089619 has 4 divisors (see below), whose sum is σ = 105692119496. Its totient is φ = 52846059744.

The previous prime is 79269089597. The next prime is 79269089623. The reversal of 79269089619 is 91698096297.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91698096297 = 3 ⋅30566032099.

It is not a de Polignac number, because 79269089619 - 2¹⁷ = 79268958547 is a prime.

It is a super-2 number, since 2×79269089619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79269089619.

It is not an unprimeable number, because it can be changed into a prime (79269089629) 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, 13211514934 + ... + 13211514939.

It is an arithmetic number, because the mean of its divisors is an integer number (26423029874).

Almost surely, 2^79269089619 is an apocalyptic number.

79269089619 is a deficient number, since it is larger than the sum of its proper divisors (26423029877).

79269089619 is a wasteful number, since it uses less digits than its factorization.

79269089619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26423029876.

The product of its (nonzero) digits is 26453952, while the sum is 66.

The spelling of 79269089619 in words is "seventy-nine billion, two hundred sixty-nine million, eighty-nine thousand, six hundred nineteen".