6724778113 has 2 divisors, whose sum is σ = 6724778114. Its totient is φ = 6724778112.

The previous prime is 6724778089. The next prime is 6724778149. The reversal of 6724778113 is 3118774276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6633613809 + 91164304 = 81447^2 + 9548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6724778113 is a prime.

It is not a weakly prime, because it can be changed into another prime (6724778413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3362389056 + 3362389057.

It is an arithmetic number, because the mean of its divisors is an integer number (3362389057).

Almost surely, 2^6724778113 is an apocalyptic number.

It is an amenable number.

6724778113 is a deficient number, since it is larger than the sum of its proper divisors (1).

6724778113 is an equidigital number, since it uses as much as digits as its factorization.

6724778113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 46.

The square root of 6724778113 is about 82004.7444542083. The cubic root of 6724778113 is about 1887.5247416197.

The spelling of 6724778113 in words is "six billion, seven hundred twenty-four million, seven hundred seventy-eight thousand, one hundred thirteen".