408808392331 has 2 divisors, whose sum is σ = 408808392332. Its totient is φ = 408808392330.

The previous prime is 408808392241. The next prime is 408808392389. The reversal of 408808392331 is 133293808804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408808392331 - 2⁷ = 408808392203 is a prime.

It is a super-2 number, since 2×408808392331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (408808392631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204404196165 + 204404196166.

It is an arithmetic number, because the mean of its divisors is an integer number (204404196166).

Almost surely, 2^408808392331 is an apocalyptic number.

408808392331 is a deficient number, since it is larger than the sum of its proper divisors (1).

408808392331 is an equidigital number, since it uses as much as digits as its factorization.

408808392331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 408808392331 in words is "four hundred eight billion, eight hundred eight million, three hundred ninety-two thousand, three hundred thirty-one".