4979813539 has 2 divisors, whose sum is σ = 4979813540. Its totient is φ = 4979813538.

The previous prime is 4979813471. The next prime is 4979813543. The reversal of 4979813539 is 9353189794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4979813539 - 2¹¹ = 4979811491 is a prime.

It is not a weakly prime, because it can be changed into another prime (4979813939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489906769 + 2489906770.

It is an arithmetic number, because the mean of its divisors is an integer number (2489906770).

Almost surely, 2^4979813539 is an apocalyptic number.

4979813539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4979813539 is an equidigital number, since it uses as much as digits as its factorization.

4979813539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 58.

The square root of 4979813539 is about 70567.7939218735. The cubic root of 4979813539 is about 1707.6716186231.

The spelling of 4979813539 in words is "four billion, nine hundred seventy-nine million, eight hundred thirteen thousand, five hundred thirty-nine".