5516499979 has 4 divisors (see below), whose sum is σ = 5516922784. Its totient is φ = 5516077176.

The previous prime is 5516499931. The next prime is 5516500043. The reversal of 5516499979 is 9799946155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5516499979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5516499979.

It is not an unprimeable number, because it can be changed into a prime (5516499479) 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, 191187 + ... + 218140.

It is an arithmetic number, because the mean of its divisors is an integer number (1379230696).

Almost surely, 2^5516499979 is an apocalyptic number.

5516499979 is a deficient number, since it is larger than the sum of its proper divisors (422805).

5516499979 is a wasteful number, since it uses less digits than its factorization.

5516499979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422804.

The product of its digits is 27556200, while the sum is 64.

The square root of 5516499979 is about 74273.1443995742. The cubic root of 5516499979 is about 1766.9375773505.

The spelling of 5516499979 in words is "five billion, five hundred sixteen million, four hundred ninety-nine thousand, nine hundred seventy-nine".