44444441321 has 4 divisors (see below), whose sum is σ = 50793647232. Its totient is φ = 38095235412.

The previous prime is 44444441311. The next prime is 44444441323. The reversal of 44444441321 is 12314444444.

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 44444441321 - 2⁶ = 44444441257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44444441323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3174602945 + ... + 3174602958.

It is an arithmetic number, because the mean of its divisors is an integer number (12698411808).

Almost surely, 2^44444441321 is an apocalyptic number.

It is an amenable number.

44444441321 is a deficient number, since it is larger than the sum of its proper divisors (6349205911).

44444441321 is an equidigital number, since it uses as much as digits as its factorization.

44444441321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349205910.

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

Adding to 44444441321 its reverse (12314444444), we get a palindrome (56758885765).

The spelling of 44444441321 in words is "forty-four billion, four hundred forty-four million, four hundred forty-one thousand, three hundred twenty-one".