4442328789 has 4 divisors (see below), whose sum is σ = 5923105056. Its totient is φ = 2961552524.

The previous prime is 4442328749. The next prime is 4442328791. The reversal of 4442328789 is 9878232444.

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 4442328789 - 2⁸ = 4442328533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442328749) 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, 740388129 + ... + 740388134.

It is an arithmetic number, because the mean of its divisors is an integer number (1480776264).

Almost surely, 2^4442328789 is an apocalyptic number.

It is an amenable number.

4442328789 is a deficient number, since it is larger than the sum of its proper divisors (1480776267).

4442328789 is a wasteful number, since it uses less digits than its factorization.

4442328789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480776266.

The product of its digits is 3096576, while the sum is 51.

The square root of 4442328789 is about 66650.7973620721. The cubic root of 4442328789 is about 1643.8804587306.

The spelling of 4442328789 in words is "four billion, four hundred forty-two million, three hundred twenty-eight thousand, seven hundred eighty-nine".