79459604969 has 2 divisors, whose sum is σ = 79459604970. Its totient is φ = 79459604968.

The previous prime is 79459604941. The next prime is 79459604977. The reversal of 79459604969 is 96940695497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77086746025 + 2372858944 = 277645^2 + 48712^2 .

It is a cyclic number.

It is not a de Polignac number, because 79459604969 - 2⁸ = 79459604713 is a prime.

It is a super-2 number, since 2×79459604969² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79459604899 and 79459604908.

It is not a weakly prime, because it can be changed into another prime (79459604929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39729802484 + 39729802485.

It is an arithmetic number, because the mean of its divisors is an integer number (39729802485).

Almost surely, 2^79459604969 is an apocalyptic number.

It is an amenable number.

79459604969 is a deficient number, since it is larger than the sum of its proper divisors (1).

79459604969 is an equidigital number, since it uses as much as digits as its factorization.

79459604969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132269760, while the sum is 68.

The spelling of 79459604969 in words is "seventy-nine billion, four hundred fifty-nine million, six hundred four thousand, nine hundred sixty-nine".