4999506979 has 2 divisors, whose sum is σ = 4999506980. Its totient is φ = 4999506978.

The previous prime is 4999506977. The next prime is 4999507003. The reversal of 4999506979 is 9796059994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4999506979 - 2¹ = 4999506977 is a prime.

Together with 4999506977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4999506977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499753489 + 2499753490.

It is an arithmetic number, because the mean of its divisors is an integer number (2499753490).

Almost surely, 2^4999506979 is an apocalyptic number.

4999506979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999506979 is an equidigital number, since it uses as much as digits as its factorization.

4999506979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49601160, while the sum is 67.

The square root of 4999506979 is about 70707.1918477887. The cubic root of 4999506979 is about 1709.9197412259.

The spelling of 4999506979 in words is "four billion, nine hundred ninety-nine million, five hundred six thousand, nine hundred seventy-nine".