68314623269 has 2 divisors, whose sum is σ = 68314623270. Its totient is φ = 68314623268.

The previous prime is 68314623259. The next prime is 68314623287. The reversal of 68314623269 is 96232641386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64255659169 + 4058964100 = 253487^2 + 63710^2 .

It is a cyclic number.

It is not a de Polignac number, because 68314623269 - 2¹⁶ = 68314557733 is a prime.

It is a super-2 number, since 2×68314623269² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68314623259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34157311634 + 34157311635.

It is an arithmetic number, because the mean of its divisors is an integer number (34157311635).

Almost surely, 2^68314623269 is an apocalyptic number.

It is an amenable number.

68314623269 is a deficient number, since it is larger than the sum of its proper divisors (1).

68314623269 is an equidigital number, since it uses as much as digits as its factorization.

68314623269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 50.

The spelling of 68314623269 in words is "sixty-eight billion, three hundred fourteen million, six hundred twenty-three thousand, two hundred sixty-nine".