3309834509 has 2 divisors, whose sum is σ = 3309834510. Its totient is φ = 3309834508.

The previous prime is 3309834491. The next prime is 3309834529. The reversal of 3309834509 is 9054389033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2807940100 + 501894409 = 52990^2 + 22403^2 .

It is an emirp because it is prime and its reverse (9054389033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3309834509 - 2²⁴ = 3293057293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3309834509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3309834529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1654917254 + 1654917255.

It is an arithmetic number, because the mean of its divisors is an integer number (1654917255).

Almost surely, 2^3309834509 is an apocalyptic number.

It is an amenable number.

3309834509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3309834509 is an equidigital number, since it uses as much as digits as its factorization.

3309834509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 3309834509 is about 57531.1611998228. The cubic root of 3309834509 is about 1490.2830429366.

The spelling of 3309834509 in words is "three billion, three hundred nine million, eight hundred thirty-four thousand, five hundred nine".