68362316833 has 2 divisors, whose sum is σ = 68362316834. Its totient is φ = 68362316832.

The previous prime is 68362316819. The next prime is 68362316839. The reversal of 68362316833 is 33861326386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68346690624 + 15626209 = 261432^2 + 3953^2 .

It is a cyclic number.

It is not a de Polignac number, because 68362316833 - 2¹⁷ = 68362185761 is a prime.

It is not a weakly prime, because it can be changed into another prime (68362316839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34181158416 + 34181158417.

It is an arithmetic number, because the mean of its divisors is an integer number (34181158417).

Almost surely, 2^68362316833 is an apocalyptic number.

It is an amenable number.

68362316833 is a deficient number, since it is larger than the sum of its proper divisors (1).

68362316833 is an equidigital number, since it uses as much as digits as its factorization.

68362316833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 49.

The spelling of 68362316833 in words is "sixty-eight billion, three hundred sixty-two million, three hundred sixteen thousand, eight hundred thirty-three".