79094250569 has 2 divisors, whose sum is σ = 79094250570. Its totient is φ = 79094250568.

The previous prime is 79094250553. The next prime is 79094250577. The reversal of 79094250569 is 96505249097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79094250169 + 400 = 281237^2 + 20^2 .

It is an emirp because it is prime and its reverse (96505249097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79094250569 - 2⁴ = 79094250553 is a prime.

It is a super-2 number, since 2×79094250569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79094270569) 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 as a sum of consecutive naturals, namely, 39547125284 + 39547125285.

It is an arithmetic number, because the mean of its divisors is an integer number (39547125285).

Almost surely, 2^79094250569 is an apocalyptic number.

It is an amenable number.

79094250569 is a deficient number, since it is larger than the sum of its proper divisors (1).

79094250569 is an equidigital number, since it uses as much as digits as its factorization.

79094250569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 79094250569 in words is "seventy-nine billion, ninety-four million, two hundred fifty thousand, five hundred sixty-nine".