812363265179 has 2 divisors, whose sum is σ = 812363265180. Its totient is φ = 812363265178.

The previous prime is 812363265167. The next prime is 812363265383. The reversal of 812363265179 is 971562363218.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 812363265179 - 2¹⁶ = 812363199643 is a prime.

It is a super-2 number, since 2×812363265179² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 812363265179.

It is not a weakly prime, because it can be changed into another prime (812363265979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406181632589 + 406181632590.

It is an arithmetic number, because the mean of its divisors is an integer number (406181632590).

Almost surely, 2^812363265179 is an apocalyptic number.

812363265179 is a deficient number, since it is larger than the sum of its proper divisors (1).

812363265179 is an equidigital number, since it uses as much as digits as its factorization.

812363265179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The spelling of 812363265179 in words is "eight hundred twelve billion, three hundred sixty-three million, two hundred sixty-five thousand, one hundred seventy-nine".