450622239931 has 2 divisors, whose sum is σ = 450622239932. Its totient is φ = 450622239930.

The previous prime is 450622239917. The next prime is 450622240043. The reversal of 450622239931 is 139932226054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450622239931 - 2²¹ = 450620142779 is a prime.

It is a super-2 number, since 2×450622239931² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450622239901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225311119965 + 225311119966.

It is an arithmetic number, because the mean of its divisors is an integer number (225311119966).

Almost surely, 2^450622239931 is an apocalyptic number.

450622239931 is a deficient number, since it is larger than the sum of its proper divisors (1).

450622239931 is an equidigital number, since it uses as much as digits as its factorization.

450622239931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 450622239931 in words is "four hundred fifty billion, six hundred twenty-two million, two hundred thirty-nine thousand, nine hundred thirty-one".