6765507613 has 2 divisors, whose sum is σ = 6765507614. Its totient is φ = 6765507612.

The previous prime is 6765507589. The next prime is 6765507649. The reversal of 6765507613 is 3167055676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6511360249 + 254147364 = 80693^2 + 15942^2 .

It is a cyclic number.

It is not a de Polignac number, because 6765507613 - 2⁹ = 6765507101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6765507013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382753806 + 3382753807.

It is an arithmetic number, because the mean of its divisors is an integer number (3382753807).

Almost surely, 2^6765507613 is an apocalyptic number.

It is an amenable number.

6765507613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6765507613 is an equidigital number, since it uses as much as digits as its factorization.

6765507613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 46.

The square root of 6765507613 is about 82252.7058095963. The cubic root of 6765507613 is about 1891.3277544335.

The spelling of 6765507613 in words is "six billion, seven hundred sixty-five million, five hundred seven thousand, six hundred thirteen".