6843327491 has 32 divisors (see below), whose sum is σ = 9235150848. Its totient is φ = 4897146240.

The previous prime is 6843327481. The next prime is 6843327497. The reversal of 6843327491 is 1947233486.

It is not a de Polignac number, because 6843327491 - 2²⁶ = 6776218627 is a prime.

It is a super-2 number, since 2×6843327491² = 93662262298152710162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6843327497) 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, 179846 + ... + 214548.

It is an arithmetic number, because the mean of its divisors is an integer number (288598464).

Almost surely, 2^6843327491 is an apocalyptic number.

6843327491 is a deficient number, since it is larger than the sum of its proper divisors (2391823357).

6843327491 is a wasteful number, since it uses less digits than its factorization.

6843327491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34931.

The product of its digits is 870912, while the sum is 47.

The square root of 6843327491 is about 82724.4068639963. The cubic root of 6843327491 is about 1898.5517579713.

The spelling of 6843327491 in words is "six billion, eight hundred forty-three million, three hundred twenty-seven thousand, four hundred ninety-one".