6755581009 has 2 divisors, whose sum is σ = 6755581010. Its totient is φ = 6755581008.

The previous prime is 6755580991. The next prime is 6755581031. The reversal of 6755581009 is 9001855576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3757690000 + 2997891009 = 61300^2 + 54753^2 .

It is a cyclic number.

It is not a de Polignac number, because 6755581009 - 2⁹ = 6755580497 is a prime.

It is a super-2 number, since 2×6755581009² = 91275749538322916162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6755581009.

It is not a weakly prime, because it can be changed into another prime (6755581109) 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, 3377790504 + 3377790505.

It is an arithmetic number, because the mean of its divisors is an integer number (3377790505).

Almost surely, 2^6755581009 is an apocalyptic number.

It is an amenable number.

6755581009 is a deficient number, since it is larger than the sum of its proper divisors (1).

6755581009 is an equidigital number, since it uses as much as digits as its factorization.

6755581009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 46.

The square root of 6755581009 is about 82192.3415471296. The cubic root of 6755581009 is about 1890.4022928907.

The spelling of 6755581009 in words is "six billion, seven hundred fifty-five million, five hundred eighty-one thousand, nine".