4979779811 has 2 divisors, whose sum is σ = 4979779812. Its totient is φ = 4979779810.

The previous prime is 4979779769. The next prime is 4979779813. The reversal of 4979779811 is 1189779794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4979779811 is a prime.

Together with 4979779813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4979779813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489889905 + 2489889906.

It is an arithmetic number, because the mean of its divisors is an integer number (2489889906).

Almost surely, 2^4979779811 is an apocalyptic number.

4979779811 is a deficient number, since it is larger than the sum of its proper divisors (1).

4979779811 is an equidigital number, since it uses as much as digits as its factorization.

4979779811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8001504, while the sum is 62.

The square root of 4979779811 is about 70567.5549455981. The cubic root of 4979779811 is about 1707.6677632927.

The spelling of 4979779811 in words is "four billion, nine hundred seventy-nine million, seven hundred seventy-nine thousand, eight hundred eleven".