4999656619 has 2 divisors, whose sum is σ = 4999656620. Its totient is φ = 4999656618.

The previous prime is 4999656617. The next prime is 4999656661. The reversal of 4999656619 is 9166569994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4999656619 - 2¹ = 4999656617 is a prime.

It is a super-2 number, since 2×4999656619² = 49993132615821022322, which contains 22 as substring.

Together with 4999656617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4999656617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499828309 + 2499828310.

It is an arithmetic number, because the mean of its divisors is an integer number (2499828310).

Almost surely, 2^4999656619 is an apocalyptic number.

4999656619 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999656619 is an equidigital number, since it uses as much as digits as its factorization.

4999656619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28343520, while the sum is 64.

The square root of 4999656619 is about 70708.2500066294. The cubic root of 4999656619 is about 1709.9368008972.

The spelling of 4999656619 in words is "four billion, nine hundred ninety-nine million, six hundred fifty-six thousand, six hundred nineteen".