83051423313569 has 2 divisors, whose sum is σ = 83051423313570. Its totient is φ = 83051423313568.

The previous prime is 83051423313511. The next prime is 83051423313689. The reversal of 83051423313569 is 96531332415038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74611381532944 + 8440041780625 = 8637788^2 + 2905175^2 .

It is a cyclic number.

It is not a de Polignac number, because 83051423313569 - 2²⁴ = 83051406536353 is a prime.

It is a super-2 number, since 2×83051423313569² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 83051423313569.

It is not a weakly prime, because it can be changed into another prime (83051423318569) 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, 41525711656784 + 41525711656785.

It is an arithmetic number, because the mean of its divisors is an integer number (41525711656785).

Almost surely, 2^{83051423313569} is an apocalyptic number.

It is an amenable number.

83051423313569 is a deficient number, since it is larger than the sum of its proper divisors (1).

83051423313569 is an equidigital number, since it uses as much as digits as its factorization.

83051423313569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 83051423313569 in words is "eighty-three trillion, fifty-one billion, four hundred twenty-three million, three hundred thirteen thousand, five hundred sixty-nine".