6764647613 has 2 divisors, whose sum is σ = 6764647614. Its totient is φ = 6764647612.

The previous prime is 6764647597. The next prime is 6764647621. The reversal of 6764647613 is 3167464676.

6764647613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4553955289 + 2210692324 = 67483^2 + 47018^2 .

It is a cyclic number.

It is not a de Polignac number, because 6764647613 - 2⁴ = 6764647597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6764641613) 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 as a sum of consecutive naturals, namely, 3382323806 + 3382323807.

It is an arithmetic number, because the mean of its divisors is an integer number (3382323807).

Almost surely, 2^6764647613 is an apocalyptic number.

It is an amenable number.

6764647613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6764647613 is an equidigital number, since it uses as much as digits as its factorization.

6764647613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 50.

The square root of 6764647613 is about 82247.4778519074. The cubic root of 6764647613 is about 1891.2476120955.

The spelling of 6764647613 in words is "six billion, seven hundred sixty-four million, six hundred forty-seven thousand, six hundred thirteen".