6789718381 has 16 divisors (see below), whose sum is σ = 7469936640. Its totient is φ = 6142696560.

The previous prime is 6789718291. The next prime is 6789718391. The reversal of 6789718381 is 1838179876.

It is a cyclic number.

It is not a de Polignac number, because 6789718381 - 2¹¹ = 6789716333 is a prime.

It is a super-2 number, since 2×6789718381² = 92200551386578522322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6789718391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263436 + ... + 288058.

It is an arithmetic number, because the mean of its divisors is an integer number (466871040).

Almost surely, 2^6789718381 is an apocalyptic number.

It is an amenable number.

6789718381 is a deficient number, since it is larger than the sum of its proper divisors (680218259).

6789718381 is a wasteful number, since it uses less digits than its factorization.

6789718381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25296.

The product of its digits is 4064256, while the sum is 58.

The square root of 6789718381 is about 82399.7474571373. The cubic root of 6789718381 is about 1893.5811445752.

The spelling of 6789718381 in words is "six billion, seven hundred eighty-nine million, seven hundred eighteen thousand, three hundred eighty-one".