79536169907269 has 2 divisors, whose sum is σ = 79536169907270. Its totient is φ = 79536169907268.

The previous prime is 79536169907237. The next prime is 79536169907303. The reversal of 79536169907269 is 96270996163597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51229620155169 + 28306549752100 = 7157487^2 + 5320390^2 .

It is a cyclic number.

It is not a de Polignac number, because 79536169907269 - 2⁵ = 79536169907237 is a prime.

It is a super-2 number, since 2×79536169907269² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79536169907969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39768084953634 + 39768084953635.

It is an arithmetic number, because the mean of its divisors is an integer number (39768084953635).

Almost surely, 2^{79536169907269} is an apocalyptic number.

It is an amenable number.

79536169907269 is a deficient number, since it is larger than the sum of its proper divisors (1).

79536169907269 is an equidigital number, since it uses as much as digits as its factorization.

79536169907269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2083248720, while the sum is 79.

The spelling of 79536169907269 in words is "seventy-nine trillion, five hundred thirty-six billion, one hundred sixty-nine million, nine hundred seven thousand, two hundred sixty-nine".