6868549331 has 4 divisors (see below), whose sum is σ = 7849770672. Its totient is φ = 5887327992.

The previous prime is 6868549319. The next prime is 6868549333. The reversal of 6868549331 is 1339458686.

6868549331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6868549331 - 2²² = 6864355027 is a prime.

It is a super-2 number, since 2×6868549331² = 94353939824761095122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6868549333) 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, 490610660 + ... + 490610673.

It is an arithmetic number, because the mean of its divisors is an integer number (1962442668).

Almost surely, 2^6868549331 is an apocalyptic number.

6868549331 is a deficient number, since it is larger than the sum of its proper divisors (981221341).

6868549331 is an equidigital number, since it uses as much as digits as its factorization.

6868549331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981221340.

The product of its digits is 3732480, while the sum is 53.

The square root of 6868549331 is about 82876.7116324001. The cubic root of 6868549331 is about 1900.8813391312.

The spelling of 6868549331 in words is "six billion, eight hundred sixty-eight million, five hundred forty-nine thousand, three hundred thirty-one".