6984664099 has 4 divisors (see below), whose sum is σ = 7982473264. Its totient is φ = 5986854936.

The previous prime is 6984664087. The next prime is 6984664117. The reversal of 6984664099 is 9904664896.

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-6984664099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6984664069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498904572 + ... + 498904585.

It is an arithmetic number, because the mean of its divisors is an integer number (1995618316).

Almost surely, 2^6984664099 is an apocalyptic number.

6984664099 is a deficient number, since it is larger than the sum of its proper divisors (997809165).

6984664099 is an equidigital number, since it uses as much as digits as its factorization.

6984664099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997809164.

The product of its (nonzero) digits is 20155392, while the sum is 61.

The square root of 6984664099 is about 83574.3028627819. The cubic root of 6984664099 is about 1911.5331840458.

The spelling of 6984664099 in words is "six billion, nine hundred eighty-four million, six hundred sixty-four thousand, ninety-nine".