442230249067909 has 2 divisors, whose sum is σ = 442230249067910. Its totient is φ = 442230249067908.

The previous prime is 442230249067843. The next prime is 442230249067913. The reversal of 442230249067909 is 909760942032244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345655956830625 + 96574292237284 = 18591825^2 + 9827222^2 .

It is a cyclic number.

It is not a de Polignac number, because 442230249067909 - 2¹¹ = 442230249065861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442230249064909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221115124533954 + 221115124533955.

It is an arithmetic number, because the mean of its divisors is an integer number (221115124533955).

Almost surely, 2^{442230249067909} is an apocalyptic number.

It is an amenable number.

442230249067909 is a deficient number, since it is larger than the sum of its proper divisors (1).

442230249067909 is an equidigital number, since it uses as much as digits as its factorization.

442230249067909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 442230249067909 in words is "four hundred forty-two trillion, two hundred thirty billion, two hundred forty-nine million, sixty-seven thousand, nine hundred nine".