68928383269 has 2 divisors, whose sum is σ = 68928383270. Its totient is φ = 68928383268.

The previous prime is 68928383261. The next prime is 68928383281. The reversal of 68928383269 is 96238382986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35242552900 + 33685830369 = 187730^2 + 183537^2 .

It is a cyclic number.

It is not a de Polignac number, because 68928383269 - 2³ = 68928383261 is a prime.

It is a super-2 number, since 2×68928383269² (a number of 22 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 68928383269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68928383261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34464191634 + 34464191635.

It is an arithmetic number, because the mean of its divisors is an integer number (34464191635).

Almost surely, 2^68928383269 is an apocalyptic number.

It is an amenable number.

68928383269 is a deficient number, since it is larger than the sum of its proper divisors (1).

68928383269 is an equidigital number, since it uses as much as digits as its factorization.

68928383269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53747712, while the sum is 64.

The spelling of 68928383269 in words is "sixty-eight billion, nine hundred twenty-eight million, three hundred eighty-three thousand, two hundred sixty-nine".