3509444309 has 16 divisors (see below), whose sum is σ = 4164472320. Its totient is φ = 2893605120.

The previous prime is 3509444297. The next prime is 3509444321. The reversal of 3509444309 is 9034449053.

3509444309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3509444297) and next prime (3509444321).

It is not a de Polignac number, because 3509444309 - 2⁸ = 3509444053 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 (3509444329) 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 in 15 ways as a sum of consecutive naturals, for example, 23117 + ... + 86909.

It is an arithmetic number, because the mean of its divisors is an integer number (260279520).

Almost surely, 2^3509444309 is an apocalyptic number.

It is an amenable number.

3509444309 is a deficient number, since it is larger than the sum of its proper divisors (655028011).

3509444309 is a wasteful number, since it uses less digits than its factorization.

3509444309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64100.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 3509444309 is about 59240.5630374999. The cubic root of 3509444309 is about 1519.6589015599.

The spelling of 3509444309 in words is "three billion, five hundred nine million, four hundred forty-four thousand, three hundred nine".