65418433331 has 2 divisors, whose sum is σ = 65418433332. Its totient is φ = 65418433330.

The previous prime is 65418433321. The next prime is 65418433351. The reversal of 65418433331 is 13333481456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65418433331 - 2¹⁰ = 65418432307 is a prime.

It is a super-2 number, since 2×65418433331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65418433321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32709216665 + 32709216666.

It is an arithmetic number, because the mean of its divisors is an integer number (32709216666).

Almost surely, 2^65418433331 is an apocalyptic number.

65418433331 is a deficient number, since it is larger than the sum of its proper divisors (1).

65418433331 is an equidigital number, since it uses as much as digits as its factorization.

65418433331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The spelling of 65418433331 in words is "sixty-five billion, four hundred eighteen million, four hundred thirty-three thousand, three hundred thirty-one".