4432002321 has 4 divisors (see below), whose sum is σ = 5909336432. Its totient is φ = 2954668212.

The previous prime is 4432002313. The next prime is 4432002361. The reversal of 4432002321 is 1232002344.

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 not a de Polignac number, because 4432002321 - 2³ = 4432002313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4432002361) 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, 738667051 + ... + 738667056.

It is an arithmetic number, because the mean of its divisors is an integer number (1477334108).

Almost surely, 2^4432002321 is an apocalyptic number.

It is an amenable number.

4432002321 is a deficient number, since it is larger than the sum of its proper divisors (1477334111).

4432002321 is a wasteful number, since it uses less digits than its factorization.

4432002321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477334110.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4432002321 is about 66573.2853402925. The cubic root of 4432002321 is about 1642.6057032071.

Adding to 4432002321 its reverse (1232002344), we get a palindrome (5664004665).

The spelling of 4432002321 in words is "four billion, four hundred thirty-two million, two thousand, three hundred twenty-one".