4433664789 has 16 divisors (see below), whose sum is σ = 6571031040. Its totient is φ = 2954589120.

The previous prime is 4433664779. The next prime is 4433664881. The reversal of 4433664789 is 9874663344.

4433664789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4433664789 - 2⁵ = 4433664757 is a prime.

It is a super-2 number, since 2×4433664789² = 39314766922436829042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4433664779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38269 + ... + 101645.

It is an arithmetic number, because the mean of its divisors is an integer number (410689440).

Almost surely, 2^4433664789 is an apocalyptic number.

It is an amenable number.

4433664789 is a deficient number, since it is larger than the sum of its proper divisors (2137366251).

4433664789 is a wasteful number, since it uses less digits than its factorization.

4433664789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65977 (or 65971 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The square root of 4433664789 is about 66585.7701690083. The cubic root of 4433664789 is about 1642.8110609550.

The spelling of 4433664789 in words is "four billion, four hundred thirty-three million, six hundred sixty-four thousand, seven hundred eighty-nine".