368668518331 has 2 divisors, whose sum is σ = 368668518332. Its totient is φ = 368668518330.

The previous prime is 368668518301. The next prime is 368668518343. The reversal of 368668518331 is 133815866863.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368668518331 is a prime.

It is a super-2 number, since 2×368668518331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (368668518301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184334259165 + 184334259166.

It is an arithmetic number, because the mean of its divisors is an integer number (184334259166).

Almost surely, 2^368668518331 is an apocalyptic number.

368668518331 is a deficient number, since it is larger than the sum of its proper divisors (1).

368668518331 is an equidigital number, since it uses as much as digits as its factorization.

368668518331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 58.

The spelling of 368668518331 in words is "three hundred sixty-eight billion, six hundred sixty-eight million, five hundred eighteen thousand, three hundred thirty-one".