4996999979 has 4 divisors (see below), whose sum is σ = 5024916360. Its totient is φ = 4969083600.

The previous prime is 4996999967. The next prime is 4996999991. The reversal of 4996999979 is 9799996994.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4996999967) and next prime (4996999991).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4996999979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4996999919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13957922 + ... + 13958279.

It is an arithmetic number, because the mean of its divisors is an integer number (1256229090).

Almost surely, 2^4996999979 is an apocalyptic number.

4996999979 is a deficient number, since it is larger than the sum of its proper divisors (27916381).

4996999979 is a wasteful number, since it uses less digits than its factorization.

4996999979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27916380.

The product of its digits is 803538792, while the sum is 80.

The square root of 4996999979 is about 70689.4615837467. The cubic root of 4996999979 is about 1709.6338806706.

The spelling of 4996999979 in words is "four billion, nine hundred ninety-six million, nine hundred ninety-nine thousand, nine hundred seventy-nine".