6979705199 has 4 divisors (see below), whose sum is σ = 6979912560. Its totient is φ = 6979497840.

The previous prime is 6979705193. The next prime is 6979705207. The reversal of 6979705199 is 9915079796.

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-6979705199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6979705193) 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, 40259 + ... + 124820.

It is an arithmetic number, because the mean of its divisors is an integer number (1744978140).

Almost surely, 2^6979705199 is an apocalyptic number.

6979705199 is a deficient number, since it is larger than the sum of its proper divisors (207361).

6979705199 is a wasteful number, since it uses less digits than its factorization.

6979705199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207360.

The product of its (nonzero) digits is 9644670, while the sum is 62.

The square root of 6979705199 is about 83544.6299830216. The cubic root of 6979705199 is about 1911.0807000538.

The spelling of 6979705199 in words is "six billion, nine hundred seventy-nine million, seven hundred five thousand, one hundred ninety-nine".