6818109732 has 72 divisors (see below), whose sum is σ = 20229134016. Its totient is φ = 1895379264.

The previous prime is 6818109731. The next prime is 6818109733. The reversal of 6818109732 is 2379018186.

It is an interprime number because it is at equal distance from previous prime (6818109731) and next prime (6818109733).

It is a super-2 number, since 2×6818109732² = 92973240635186223648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6818109731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356298 + ... + 374945.

Almost surely, 2^6818109732 is an apocalyptic number.

It is an amenable number.

6818109732 is an abundant number, since it is smaller than the sum of its proper divisors (13411024284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6818109732 is a wasteful number, since it uses less digits than its factorization.

6818109732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731297 (or 731292 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 6818109732 is about 82571.8458798155. The cubic root of 6818109732 is about 1896.2168241324.

The spelling of 6818109732 in words is "six billion, eight hundred eighteen million, one hundred nine thousand, seven hundred thirty-two".