442413142189 has 2 divisors, whose sum is σ = 442413142190. Its totient is φ = 442413142188.

The previous prime is 442413142183. The next prime is 442413142217. The reversal of 442413142189 is 981241314244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412784405289 + 29628736900 = 642483^2 + 172130^2 .

It is a cyclic number.

It is not a de Polignac number, because 442413142189 - 2¹³ = 442413133997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442413142183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221206571094 + 221206571095.

It is an arithmetic number, because the mean of its divisors is an integer number (221206571095).

Almost surely, 2^442413142189 is an apocalyptic number.

It is an amenable number.

442413142189 is a deficient number, since it is larger than the sum of its proper divisors (1).

442413142189 is an equidigital number, since it uses as much as digits as its factorization.

442413142189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 43.

The spelling of 442413142189 in words is "four hundred forty-two billion, four hundred thirteen million, one hundred forty-two thousand, one hundred eighty-nine".