6804172799 has 4 divisors (see below), whose sum is σ = 6804338520. Its totient is φ = 6804007080.

The previous prime is 6804172789. The next prime is 6804172801. The reversal of 6804172799 is 9972714086.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6804172799 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 6804172799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6804172709) 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, 29657 + ... + 120365.

It is an arithmetic number, because the mean of its divisors is an integer number (1701084630).

Almost surely, 2^6804172799 is an apocalyptic number.

6804172799 is a deficient number, since it is larger than the sum of its proper divisors (165721).

6804172799 is an equidigital number, since it uses as much as digits as its factorization.

6804172799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165720.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 6804172799 is about 82487.4099423664. The cubic root of 6804172799 is about 1894.9239206165.

The spelling of 6804172799 in words is "six billion, eight hundred four million, one hundred seventy-two thousand, seven hundred ninety-nine".