6809221801 has 8 divisors (see below), whose sum is σ = 6942735360. Its totient is φ = 6676311792.

The previous prime is 6809221789. The next prime is 6809221819. The reversal of 6809221801 is 1081229086.

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

It is a cyclic number.

It is not a de Polignac number, because 6809221801 - 2¹⁵ = 6809189033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6809221841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128070 + ... + 173263.

It is an arithmetic number, because the mean of its divisors is an integer number (867841920).

Almost surely, 2^6809221801 is an apocalyptic number.

It is an amenable number.

6809221801 is a deficient number, since it is larger than the sum of its proper divisors (133513559).

6809221801 is a wasteful number, since it uses less digits than its factorization.

6809221801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301775.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 6809221801 is about 82518.0089495620. The cubic root of 6809221801 is about 1895.3925109665.

The spelling of 6809221801 in words is "six billion, eight hundred nine million, two hundred twenty-one thousand, eight hundred one".