6805821683271 has 32 divisors (see below), whose sum is σ = 10197968901120. Its totient is φ = 4005859866624.

The previous prime is 6805821683267. The next prime is 6805821683273. The reversal of 6805821683271 is 1723861285086.

It is not a de Polignac number, because 6805821683271 - 2² = 6805821683267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6805821683273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15170535 + ... + 15612711.

It is an arithmetic number, because the mean of its divisors is an integer number (318686528160).

Almost surely, 2^{6805821683271} is an apocalyptic number.

6805821683271 is a deficient number, since it is larger than the sum of its proper divisors (3392147217849).

6805821683271 is a wasteful number, since it uses less digits than its factorization.

6805821683271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459375.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 6805821683271 in words is "six trillion, eight hundred five billion, eight hundred twenty-one million, six hundred eighty-three thousand, two hundred seventy-one".