442231412137 has 2 divisors, whose sum is σ = 442231412138. Its totient is φ = 442231412136.

The previous prime is 442231412089. The next prime is 442231412219. The reversal of 442231412137 is 731214132244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412858936681 + 29372475456 = 642541^2 + 171384^2 .

It is a cyclic number.

It is not a de Polignac number, because 442231412137 - 2⁷ = 442231412009 is a prime.

It is not a weakly prime, because it can be changed into another prime (442231412837) 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, 221115706068 + 221115706069.

It is an arithmetic number, because the mean of its divisors is an integer number (221115706069).

Almost surely, 2^442231412137 is an apocalyptic number.

It is an amenable number.

442231412137 is a deficient number, since it is larger than the sum of its proper divisors (1).

442231412137 is an equidigital number, since it uses as much as digits as its factorization.

442231412137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The spelling of 442231412137 in words is "four hundred forty-two billion, two hundred thirty-one million, four hundred twelve thousand, one hundred thirty-seven".