442413243931 has 2 divisors, whose sum is σ = 442413243932. Its totient is φ = 442413243930.

The previous prime is 442413243917. The next prime is 442413243947. The reversal of 442413243931 is 139342314244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442413243931 - 2¹¹ = 442413241883 is a prime.

It is a super-2 number, since 2×442413243931² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442413243031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221206621965 + 221206621966.

It is an arithmetic number, because the mean of its divisors is an integer number (221206621966).

Almost surely, 2^442413243931 is an apocalyptic number.

442413243931 is a deficient number, since it is larger than the sum of its proper divisors (1).

442413243931 is an equidigital number, since it uses as much as digits as its factorization.

442413243931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 40.

The spelling of 442413243931 in words is "four hundred forty-two billion, four hundred thirteen million, two hundred forty-three thousand, nine hundred thirty-one".