68956000769 has 2 divisors, whose sum is σ = 68956000770. Its totient is φ = 68956000768.

The previous prime is 68956000753. The next prime is 68956000777. The reversal of 68956000769 is 96700065986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56210719744 + 12745281025 = 237088^2 + 112895^2 .

It is a cyclic number.

It is not a de Polignac number, because 68956000769 - 2⁴ = 68956000753 is a prime.

It is a super-2 number, since 2×68956000769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68956000739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34478000384 + 34478000385.

It is an arithmetic number, because the mean of its divisors is an integer number (34478000385).

Almost surely, 2^68956000769 is an apocalyptic number.

It is an amenable number.

68956000769 is a deficient number, since it is larger than the sum of its proper divisors (1).

68956000769 is an equidigital number, since it uses as much as digits as its factorization.

68956000769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 68956000769 in words is "sixty-eight billion, nine hundred fifty-six million, seven hundred sixty-nine", and thus it is an aban number.