444244214321 has 4 divisors (see below), whose sum is σ = 444245901552. Its totient is φ = 444242527092.

The previous prime is 444244214291. The next prime is 444244214327. The reversal of 444244214321 is 123412442444.

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 a cyclic number.

It is not a de Polignac number, because 444244214321 - 2¹⁰ = 444244213297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444244214327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353915 + ... + 1006848.

It is an arithmetic number, because the mean of its divisors is an integer number (111061475388).

Almost surely, 2^444244214321 is an apocalyptic number.

It is an amenable number.

444244214321 is a deficient number, since it is larger than the sum of its proper divisors (1687231).

444244214321 is a wasteful number, since it uses less digits than its factorization.

444244214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687230.

The product of its digits is 98304, while the sum is 35.

Adding to 444244214321 its reverse (123412442444), we get a palindrome (567656656765).

The spelling of 444244214321 in words is "four hundred forty-four billion, two hundred forty-four million, two hundred fourteen thousand, three hundred twenty-one".