3449969309 has 2 divisors, whose sum is σ = 3449969310. Its totient is φ = 3449969308.

The previous prime is 3449969197. The next prime is 3449969317. The reversal of 3449969309 is 9039699443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2629433284 + 820536025 = 51278^2 + 28645^2 .

It is an emirp because it is prime and its reverse (9039699443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3449969309 - 2⁸ = 3449969053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3449960309) 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, 1724984654 + 1724984655.

It is an arithmetic number, because the mean of its divisors is an integer number (1724984655).

Almost surely, 2^3449969309 is an apocalyptic number.

It is an amenable number.

3449969309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3449969309 is an equidigital number, since it uses as much as digits as its factorization.

3449969309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5668704, while the sum is 56.

The square root of 3449969309 is about 58736.4393626308. The cubic root of 3449969309 is about 1511.0253271862.

The spelling of 3449969309 in words is "three billion, four hundred forty-nine million, nine hundred sixty-nine thousand, three hundred nine".