6696808199 has 4 divisors (see below), whose sum is σ = 6697861464. Its totient is φ = 6695754936.

The previous prime is 6696808177. The next prime is 6696808213. The reversal of 6696808199 is 9918086966.

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-6696808199 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 (6696808169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517037 + ... + 529830.

It is an arithmetic number, because the mean of its divisors is an integer number (1674465366).

Almost surely, 2^6696808199 is an apocalyptic number.

6696808199 is a deficient number, since it is larger than the sum of its proper divisors (1053265).

6696808199 is a wasteful number, since it uses less digits than its factorization.

6696808199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053264.

The product of its (nonzero) digits is 10077696, while the sum is 62.

The square root of 6696808199 is about 81834.0283683994. The cubic root of 6696808199 is about 1884.9042205436.

The spelling of 6696808199 in words is "six billion, six hundred ninety-six million, eight hundred eight thousand, one hundred ninety-nine".