6610000109 has 2 divisors, whose sum is σ = 6610000110. Its totient is φ = 6610000108.

The previous prime is 6610000097. The next prime is 6610000121. The reversal of 6610000109 is 9010000166.

It is a balanced prime because it is at equal distance from previous prime (6610000097) and next prime (6610000121).

It can be written as a sum of positive squares in only one way, i.e., 5497777609 + 1112222500 = 74147^2 + 33350^2 .

It is a cyclic number.

It is not a de Polignac number, because 6610000109 - 2²⁰ = 6608951533 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6610000139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305000054 + 3305000055.

It is an arithmetic number, because the mean of its divisors is an integer number (3305000055).

Almost surely, 2^6610000109 is an apocalyptic number.

It is an amenable number.

6610000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6610000109 is an equidigital number, since it uses as much as digits as its factorization.

6610000109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 6610000109 is about 81301.9071670524. The cubic root of 6610000109 is about 1876.7243499704.

The spelling of 6610000109 in words is "six billion, six hundred ten million, one hundred nine", and thus it is an aban number.