662328981331 has 2 divisors, whose sum is σ = 662328981332. Its totient is φ = 662328981330.

The previous prime is 662328981269. The next prime is 662328981361. The reversal of 662328981331 is 133189823266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 662328981331 - 2⁷ = 662328981203 is a prime.

It is a super-2 number, since 2×662328981331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (662328981361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331164490665 + 331164490666.

It is an arithmetic number, because the mean of its divisors is an integer number (331164490666).

Almost surely, 2^662328981331 is an apocalyptic number.

662328981331 is a deficient number, since it is larger than the sum of its proper divisors (1).

662328981331 is an equidigital number, since it uses as much as digits as its factorization.

662328981331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 52.

The spelling of 662328981331 in words is "six hundred sixty-two billion, three hundred twenty-eight million, nine hundred eighty-one thousand, three hundred thirty-one".