4999999997999 has 2 divisors, whose sum is σ = 4999999998000. Its totient is φ = 4999999997998.

The previous prime is 4999999997939. The next prime is 4999999998001. The reversal of 4999999997999 is 9997999999994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4999999997999 - 2²⁸ = 4999731562543 is a prime.

Together with 4999999998001, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4999999997999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4999999997939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499999998999 + 2499999999000.

It is an arithmetic number, because the mean of its divisors is an integer number (2499999999000).

Almost surely, 2^{4999999997999} is an apocalyptic number.

4999999997999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999999997999 is an equidigital number, since it uses as much as digits as its factorization.

4999999997999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 878669669052, while the sum is 110.

The spelling of 4999999997999 in words is "four trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-seven thousand, nine hundred ninety-nine".