4402539839 has 2 divisors, whose sum is σ = 4402539840. Its totient is φ = 4402539838.

The previous prime is 4402539833. The next prime is 4402539857. The reversal of 4402539839 is 9389352044.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4402539839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4402539793 and 4402539802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4402539833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2201269919 + 2201269920.

It is an arithmetic number, because the mean of its divisors is an integer number (2201269920).

Almost surely, 2^4402539839 is an apocalyptic number.

4402539839 is a deficient number, since it is larger than the sum of its proper divisors (1).

4402539839 is an equidigital number, since it uses as much as digits as its factorization.

4402539839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 4402539839 is about 66351.6378019413. The cubic root of 4402539839 is about 1638.9577751174.

The spelling of 4402539839 in words is "four billion, four hundred two million, five hundred thirty-nine thousand, eight hundred thirty-nine".