4879474939 has 2 divisors, whose sum is σ = 4879474940. Its totient is φ = 4879474938.

The previous prime is 4879474913. The next prime is 4879474991. The reversal of 4879474939 is 9394749784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4879474939 - 2³¹ = 2731991291 is a prime.

It is not a weakly prime, because it can be changed into another prime (4879444939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439737469 + 2439737470.

It is an arithmetic number, because the mean of its divisors is an integer number (2439737470).

Almost surely, 2^4879474939 is an apocalyptic number.

4879474939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4879474939 is an equidigital number, since it uses as much as digits as its factorization.

4879474939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54867456, while the sum is 64.

The square root of 4879474939 is about 69853.2385720233. The cubic root of 4879474939 is about 1696.1243821341.

The spelling of 4879474939 in words is "four billion, eight hundred seventy-nine million, four hundred seventy-four thousand, nine hundred thirty-nine".