4431440339 has 2 divisors, whose sum is σ = 4431440340. Its totient is φ = 4431440338.

The previous prime is 4431440317. The next prime is 4431440369. The reversal of 4431440339 is 9330441344.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4431440339 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 4431440299 and 4431440308.

It is not a weakly prime, because it can be changed into another prime (4431440369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215720169 + 2215720170.

It is an arithmetic number, because the mean of its divisors is an integer number (2215720170).

Almost surely, 2^4431440339 is an apocalyptic number.

4431440339 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431440339 is an equidigital number, since it uses as much as digits as its factorization.

4431440339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 4431440339 is about 66569.0644293579. The cubic root of 4431440339 is about 1642.5362722974.

The spelling of 4431440339 in words is "four billion, four hundred thirty-one million, four hundred forty thousand, three hundred thirty-nine".