6936779833 has 2 divisors, whose sum is σ = 6936779834. Its totient is φ = 6936779832.

The previous prime is 6936779741. The next prime is 6936779851. The reversal of 6936779833 is 3389776396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6205185529 + 731594304 = 78773^2 + 27048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6936779833 is a prime.

It is not a weakly prime, because it can be changed into another prime (6936779533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3468389916 + 3468389917.

It is an arithmetic number, because the mean of its divisors is an integer number (3468389917).

Almost surely, 2^6936779833 is an apocalyptic number.

It is an amenable number.

6936779833 is a deficient number, since it is larger than the sum of its proper divisors (1).

6936779833 is an equidigital number, since it uses as much as digits as its factorization.

6936779833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30862944, while the sum is 61.

The square root of 6936779833 is about 83287.3329684653. The cubic root of 6936779833 is about 1907.1549093419.

It can be divided in two parts, 6936 and 779833, that added together give a square (786769 = 887²).

The spelling of 6936779833 in words is "six billion, nine hundred thirty-six million, seven hundred seventy-nine thousand, eight hundred thirty-three".