2044021321 has 8 divisors (see below), whose sum is σ = 2069393184. Its totient is φ = 2018765760.

The previous prime is 2044021319. The next prime is 2044021351. The reversal of 2044021321 is 1231204402.

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 2044021321 - 2¹ = 2044021319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044021351) 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, 6561 + ... + 64273.

It is an arithmetic number, because the mean of its divisors is an integer number (258674148).

Almost surely, 2^2044021321 is an apocalyptic number.

It is an amenable number.

2044021321 is a deficient number, since it is larger than the sum of its proper divisors (25371863).

2044021321 is a wasteful number, since it uses less digits than its factorization.

2044021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58151.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2044021321 is about 45210.8540175918. The cubic root of 2044021321 is about 1269.0979439762.

Adding to 2044021321 its reverse (1231204402), we get a palindrome (3275225723).

The spelling of 2044021321 in words is "two billion, forty-four million, twenty-one thousand, three hundred twenty-one".