944221596321 has 8 divisors (see below), whose sum is σ = 1258971909120. Its totient is φ = 629476173872.

The previous prime is 944221596289. The next prime is 944221596337. The reversal of 944221596321 is 123695122449.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 944221596321 - 2⁵ = 944221596289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (944221596361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745470 + ... + 1563383.

It is an arithmetic number, because the mean of its divisors is an integer number (157371488640).

Almost surely, 2^944221596321 is an apocalyptic number.

It is an amenable number.

944221596321 is a deficient number, since it is larger than the sum of its proper divisors (314750312799).

944221596321 is a wasteful number, since it uses less digits than its factorization.

944221596321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445175.

The product of its digits is 933120, while the sum is 48.

The spelling of 944221596321 in words is "nine hundred forty-four billion, two hundred twenty-one million, five hundred ninety-six thousand, three hundred twenty-one".