6786115384613 has 4 divisors (see below), whose sum is σ = 6786120614028. Its totient is φ = 6786110155200.

The previous prime is 6786115384577. The next prime is 6786115384619. The reversal of 6786115384613 is 3164835116876.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5138119294564 + 1647996090049 = 2266742^2 + 1283743^2 .

It is a cyclic number.

It is not a de Polignac number, because 6786115384613 - 2¹⁰ = 6786115383589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6786115384619) 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, 970013 + ... + 3809613.

It is an arithmetic number, because the mean of its divisors is an integer number (1696530153507).

Almost surely, 2^{6786115384613} is an apocalyptic number.

It is an amenable number.

6786115384613 is a deficient number, since it is larger than the sum of its proper divisors (5229415).

6786115384613 is a wasteful number, since it uses less digits than its factorization.

6786115384613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229414.

The product of its digits is 17418240, while the sum is 59.

The spelling of 6786115384613 in words is "six trillion, seven hundred eighty-six billion, one hundred fifteen million, three hundred eighty-four thousand, six hundred thirteen".