79410169 has 2 divisors, whose sum is σ = 79410170. Its totient is φ = 79410168.

The previous prime is 79410151. The next prime is 79410181. The reversal of 79410169 is 96101497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58369600 + 21040569 = 7640^2 + 4587^2 .

It is an emirp because it is prime and its reverse (96101497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79410169 - 2⁷ = 79410041 is a prime.

It is a super-2 number, since 2×79410169² = 12611949881217122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79410469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39705084 + 39705085.

It is an arithmetic number, because the mean of its divisors is an integer number (39705085).

Almost surely, 2^79410169 is an apocalyptic number.

It is an amenable number.

79410169 is a deficient number, since it is larger than the sum of its proper divisors (1).

79410169 is an equidigital number, since it uses as much as digits as its factorization.

79410169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 79410169 is about 8911.2383538990. The cubic root of 79410169 is about 429.8253644555.

The spelling of 79410169 in words is "seventy-nine million, four hundred ten thousand, one hundred sixty-nine".