442134240089 has 2 divisors, whose sum is σ = 442134240090. Its totient is φ = 442134240088.

The previous prime is 442134240019. The next prime is 442134240137. The reversal of 442134240089 is 980042431244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359170078864 + 82964161225 = 599308^2 + 288035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442134240089 is a prime.

It is not a weakly prime, because it can be changed into another prime (442134240019) 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, 221067120044 + 221067120045.

It is an arithmetic number, because the mean of its divisors is an integer number (221067120045).

Almost surely, 2^442134240089 is an apocalyptic number.

It is an amenable number.

442134240089 is a deficient number, since it is larger than the sum of its proper divisors (1).

442134240089 is an equidigital number, since it uses as much as digits as its factorization.

442134240089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 442134240089 in words is "four hundred forty-two billion, one hundred thirty-four million, two hundred forty thousand, eighty-nine".