4339943189 has 4 divisors (see below), whose sum is σ = 4342277100. Its totient is φ = 4337609280.

The previous prime is 4339943077. The next prime is 4339943263. The reversal of 4339943189 is 9813499334.

It is a happy number.

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 18852964 + 4321090225 = 4342^2 + 65735^2 .

It is a cyclic number.

It is not a de Polignac number, because 4339943189 - 2²⁰ = 4338894613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4339943189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4339943389) 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, 1164164 + ... + 1167885.

It is an arithmetic number, because the mean of its divisors is an integer number (1085569275).

Almost surely, 2^4339943189 is an apocalyptic number.

It is an amenable number.

4339943189 is a deficient number, since it is larger than the sum of its proper divisors (2333911).

4339943189 is a wasteful number, since it uses less digits than its factorization.

4339943189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333910.

The product of its digits is 2519424, while the sum is 53.

The square root of 4339943189 is about 65878.2451876187. The cubic root of 4339943189 is about 1631.1529335450.

The spelling of 4339943189 in words is "four billion, three hundred thirty-nine million, nine hundred forty-three thousand, one hundred eighty-nine".