442231412089 has 2 divisors, whose sum is σ = 442231412090. Its totient is φ = 442231412088.

The previous prime is 442231412083. The next prime is 442231412137. The reversal of 442231412089 is 980214132244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339836532025 + 102394880064 = 582955^2 + 319992^2 .

It is a cyclic number.

It is not a de Polignac number, because 442231412089 - 2¹³ = 442231403897 is a prime.

It is not a weakly prime, because it can be changed into another prime (442231412083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221115706044 + 221115706045.

It is an arithmetic number, because the mean of its divisors is an integer number (221115706045).

Almost surely, 2^442231412089 is an apocalyptic number.

It is an amenable number.

442231412089 is a deficient number, since it is larger than the sum of its proper divisors (1).

442231412089 is an equidigital number, since it uses as much as digits as its factorization.

442231412089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 442231412089 in words is "four hundred forty-two billion, two hundred thirty-one million, four hundred twelve thousand, eighty-nine".