444023344209 has 4 divisors (see below), whose sum is σ = 592031125616. Its totient is φ = 296015562804.

The previous prime is 444023344139. The next prime is 444023344213. The reversal of 444023344209 is 902443320444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 444023344209 - 2⁹ = 444023343697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444023344109) 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 in 3 ways as a sum of consecutive naturals, for example, 74003890699 + ... + 74003890704.

It is an arithmetic number, because the mean of its divisors is an integer number (148007781404).

Almost surely, 2^444023344209 is an apocalyptic number.

It is an amenable number.

444023344209 is a deficient number, since it is larger than the sum of its proper divisors (148007781407).

444023344209 is a wasteful number, since it uses less digits than its factorization.

444023344209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148007781406.

The product of its (nonzero) digits is 331776, while the sum is 39.

The spelling of 444023344209 in words is "four hundred forty-four billion, twenty-three million, three hundred forty-four thousand, two hundred nine".