6853933209 has 8 divisors (see below), whose sum is σ = 9139066720. Its totient is φ = 4569044256.

The previous prime is 6853933193. The next prime is 6853933217. The reversal of 6853933209 is 9023393586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6853933209 - 2⁴ = 6853933193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6853933279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19422 + ... + 118680.

It is an arithmetic number, because the mean of its divisors is an integer number (1142383340).

Almost surely, 2^6853933209 is an apocalyptic number.

It is an amenable number.

6853933209 is a deficient number, since it is larger than the sum of its proper divisors (2285133511).

6853933209 is a wasteful number, since it uses less digits than its factorization.

6853933209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122279.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The square root of 6853933209 is about 82788.4847608651. The cubic root of 6853933209 is about 1899.5320370141.

The spelling of 6853933209 in words is "six billion, eight hundred fifty-three million, nine hundred thirty-three thousand, two hundred nine".