4444003321 has 4 divisors (see below), whose sum is σ = 4444166500. Its totient is φ = 4443840144.

The previous prime is 4444003283. The next prime is 4444003327. The reversal of 4444003321 is 1233004444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3851567721 + 592435600 = 62061^2 + 24340^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444003321 - 2⁹ = 4444002809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444003327) 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, 29766 + ... + 98863.

It is an arithmetic number, because the mean of its divisors is an integer number (1111041625).

Almost surely, 2^4444003321 is an apocalyptic number.

It is an amenable number.

4444003321 is a deficient number, since it is larger than the sum of its proper divisors (163179).

4444003321 is a wasteful number, since it uses less digits than its factorization.

4444003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163178.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4444003321 is about 66663.3581587366. The cubic root of 4444003321 is about 1644.0869858890.

Adding to 4444003321 its reverse (1233004444), we get a palindrome (5677007765).

The spelling of 4444003321 in words is "four billion, four hundred forty-four million, three thousand, three hundred twenty-one".