79013069 has 2 divisors, whose sum is σ = 79013070. Its totient is φ = 79013068.

The previous prime is 79013029. The next prime is 79013107. The reversal of 79013069 is 96031097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60264169 + 18748900 = 7763^2 + 4330^2 .

It is an emirp because it is prime and its reverse (96031097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79013069 - 2²⁴ = 62235853 is a prime.

It is a super-2 number, since 2×79013069² = 12486130145597522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79013029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39506534 + 39506535.

It is an arithmetic number, because the mean of its divisors is an integer number (39506535).

Almost surely, 2^79013069 is an apocalyptic number.

It is an amenable number.

79013069 is a deficient number, since it is larger than the sum of its proper divisors (1).

79013069 is an equidigital number, since it uses as much as digits as its factorization.

79013069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 79013069 is about 8888.9295756013. The cubic root of 79013069 is about 429.1077025767.

The spelling of 79013069 in words is "seventy-nine million, thirteen thousand, sixty-nine".