3268947109 has 2 divisors, whose sum is σ = 3268947110. Its totient is φ = 3268947108.

The previous prime is 3268947089. The next prime is 3268947173. The reversal of 3268947109 is 9017498623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2859896484 + 409050625 = 53478^2 + 20225^2 .

It is a cyclic number.

It is not a de Polignac number, because 3268947109 - 2²³ = 3260558501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3268947709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634473554 + 1634473555.

It is an arithmetic number, because the mean of its divisors is an integer number (1634473555).

Almost surely, 2^3268947109 is an apocalyptic number.

It is an amenable number.

3268947109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3268947109 is an equidigital number, since it uses as much as digits as its factorization.

3268947109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 3268947109 is about 57174.7068991176. The cubic root of 3268947109 is about 1484.1209577606.

The spelling of 3268947109 in words is "three billion, two hundred sixty-eight million, nine hundred forty-seven thousand, one hundred nine".