68192519233 has 2 divisors, whose sum is σ = 68192519234. Its totient is φ = 68192519232.

The previous prime is 68192519167. The next prime is 68192519251. The reversal of 68192519233 is 33291529186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35080166209 + 33112353024 = 187297^2 + 181968^2 .

It is a cyclic number.

It is not a de Polignac number, because 68192519233 - 2²¹ = 68190422081 is a prime.

It is not a weakly prime, because it can be changed into another prime (68192519273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34096259616 + 34096259617.

It is an arithmetic number, because the mean of its divisors is an integer number (34096259617).

Almost surely, 2^68192519233 is an apocalyptic number.

It is an amenable number.

68192519233 is a deficient number, since it is larger than the sum of its proper divisors (1).

68192519233 is an equidigital number, since it uses as much as digits as its factorization.

68192519233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 49.

The spelling of 68192519233 in words is "sixty-eight billion, one hundred ninety-two million, five hundred nineteen thousand, two hundred thirty-three".