4879444939 has 2 divisors, whose sum is σ = 4879444940. Its totient is φ = 4879444938.

The previous prime is 4879444931. The next prime is 4879444943. The reversal of 4879444939 is 9394449784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4879444939 - 2³ = 4879444931 is a prime.

It is not a weakly prime, because it can be changed into another prime (4879444931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439722469 + 2439722470.

It is an arithmetic number, because the mean of its divisors is an integer number (2439722470).

Almost surely, 2^4879444939 is an apocalyptic number.

4879444939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4879444939 is an equidigital number, since it uses as much as digits as its factorization.

4879444939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 61.

The square root of 4879444939 is about 69853.0238357653. The cubic root of 4879444939 is about 1696.1209060883.

The spelling of 4879444939 in words is "four billion, eight hundred seventy-nine million, four hundred forty-four thousand, nine hundred thirty-nine".