6803220891 has 8 divisors (see below), whose sum is σ = 9111639040. Its totient is φ = 4515141672.

The previous prime is 6803220887. The next prime is 6803220901. The reversal of 6803220891 is 1980223086.

It is a happy number.

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

It is not a de Polignac number, because 6803220891 - 2² = 6803220887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6803220811) 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, 5083951 + ... + 5085288.

It is an arithmetic number, because the mean of its divisors is an integer number (1138954880).

Almost surely, 2^6803220891 is an apocalyptic number.

6803220891 is a deficient number, since it is larger than the sum of its proper divisors (2308418149).

6803220891 is a wasteful number, since it uses less digits than its factorization.

6803220891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10169465.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 6803220891 is about 82481.6397206069. The cubic root of 6803220891 is about 1894.8355494842.

The spelling of 6803220891 in words is "six billion, eight hundred three million, two hundred twenty thousand, eight hundred ninety-one".