79032681613 has 4 divisors (see below), whose sum is σ = 79126881120. Its totient is φ = 78938482108.

The previous prime is 79032681593. The next prime is 79032681617. The reversal of 79032681613 is 31618623097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31618623097 = 37 ⋅854557381.

It is a cyclic number.

It is not a de Polignac number, because 79032681613 - 2²¹ = 79030584461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79032681617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47098495 + ... + 47100172.

It is an arithmetic number, because the mean of its divisors is an integer number (19781720280).

Almost surely, 2^79032681613 is an apocalyptic number.

It is an amenable number.

79032681613 is a deficient number, since it is larger than the sum of its proper divisors (94199507).

79032681613 is an equidigital number, since it uses as much as digits as its factorization.

79032681613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94199506.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 79032681613 in words is "seventy-nine billion, thirty-two million, six hundred eighty-one thousand, six hundred thirteen".