6756133709 has 16 divisors (see below), whose sum is σ = 7460301744. Its totient is φ = 6078604800.

The previous prime is 6756133691. The next prime is 6756133729. The reversal of 6756133709 is 9073316576.

It can be written as a sum of positive squares in 8 ways, for example, as 1438078084 + 5318055625 = 37922^2 + 72925^2 .

It is a cyclic number.

It is not a de Polignac number, because 6756133709 - 2⁸ = 6756133453 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 (6756133729) 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 in 15 ways as a sum of consecutive naturals, for example, 624107 + ... + 634839.

It is an arithmetic number, because the mean of its divisors is an integer number (466268859).

Almost surely, 2^6756133709 is an apocalyptic number.

It is an amenable number.

6756133709 is a deficient number, since it is larger than the sum of its proper divisors (704168035).

6756133709 is a wasteful number, since it uses less digits than its factorization.

6756133709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968.

The product of its (nonzero) digits is 714420, while the sum is 47.

The square root of 6756133709 is about 82195.7037137587. The cubic root of 6756133709 is about 1890.4538451728.

The spelling of 6756133709 in words is "six billion, seven hundred fifty-six million, one hundred thirty-three thousand, seven hundred nine".