6768836256893 has 8 divisors (see below), whose sum is σ = 6862180750200. Its totient is φ = 6675508539648.

The previous prime is 6768836256883. The next prime is 6768836256901. The reversal of 6768836256893 is 3986526388676.

It can be written as a sum of positive squares in 4 ways, for example, as 1801723652089 + 4967112604804 = 1342283^2 + 2228702^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6768836256893 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 (6768836256883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3380408 + ... + 4996481.

It is an arithmetic number, because the mean of its divisors is an integer number (857772593775).

Almost surely, 2^{6768836256893} is an apocalyptic number.

It is an amenable number.

6768836256893 is a deficient number, since it is larger than the sum of its proper divisors (93344493307).

6768836256893 is a wasteful number, since it uses less digits than its factorization.

6768836256893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8388031.

The product of its digits is 3762339840, while the sum is 77.

The spelling of 6768836256893 in words is "six trillion, seven hundred sixty-eight billion, eight hundred thirty-six million, two hundred fifty-six thousand, eight hundred ninety-three".