6761863681 has 8 divisors (see below), whose sum is σ = 6906513600. Its totient is φ = 6618215280.

The previous prime is 6761863673. The next prime is 6761863699. The reversal of 6761863681 is 1863681676.

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

It is a cyclic number.

It is not a de Polignac number, because 6761863681 - 2³ = 6761863673 is a prime.

It is a super-2 number, since 2×6761863681² = 91445600880853739522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6761863601) 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 7 ways as a sum of consecutive naturals, for example, 236725 + ... + 263746.

It is an arithmetic number, because the mean of its divisors is an integer number (863314200).

Almost surely, 2^6761863681 is an apocalyptic number.

It is an amenable number.

6761863681 is a deficient number, since it is larger than the sum of its proper divisors (144649919).

6761863681 is a wasteful number, since it uses less digits than its factorization.

6761863681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500759.

The product of its digits is 1741824, while the sum is 52.

The square root of 6761863681 is about 82230.5519925532. The cubic root of 6761863681 is about 1890.9881343182.

The spelling of 6761863681 in words is "six billion, seven hundred sixty-one million, eight hundred sixty-three thousand, six hundred eighty-one".