444288716009 has 2 divisors, whose sum is σ = 444288716010. Its totient is φ = 444288716008.

The previous prime is 444288715961. The next prime is 444288716017. The reversal of 444288716009 is 900617882444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402625782784 + 41662933225 = 634528^2 + 204115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444288716009 is a prime.

It is not a weakly prime, because it can be changed into another prime (444288716029) 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, 222144358004 + 222144358005.

It is an arithmetic number, because the mean of its divisors is an integer number (222144358005).

Almost surely, 2^444288716009 is an apocalyptic number.

It is an amenable number.

444288716009 is a deficient number, since it is larger than the sum of its proper divisors (1).

444288716009 is an equidigital number, since it uses as much as digits as its factorization.

444288716009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 444288716009 in words is "four hundred forty-four billion, two hundred eighty-eight million, seven hundred sixteen thousand, nine".