68044822331 has 2 divisors, whose sum is σ = 68044822332. Its totient is φ = 68044822330.

The previous prime is 68044822327. The next prime is 68044822337. The reversal of 68044822331 is 13322844086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68044822331 - 2² = 68044822327 is a prime.

It is a super-2 number, since 2×68044822331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68044822337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34022411165 + 34022411166.

It is an arithmetic number, because the mean of its divisors is an integer number (34022411166).

Almost surely, 2^68044822331 is an apocalyptic number.

68044822331 is a deficient number, since it is larger than the sum of its proper divisors (1).

68044822331 is an equidigital number, since it uses as much as digits as its factorization.

68044822331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 68044822331 in words is "sixty-eight billion, forty-four million, eight hundred twenty-two thousand, three hundred thirty-one".