3439937209 has 2 divisors, whose sum is σ = 3439937210. Its totient is φ = 3439937208.

The previous prime is 3439937203. The next prime is 3439937219. The reversal of 3439937209 is 9027399343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2528078400 + 911858809 = 50280^2 + 30197^2 .

It is an emirp because it is prime and its reverse (9027399343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3439937209 - 2⁹ = 3439936697 is a prime.

It is not a weakly prime, because it can be changed into another prime (3439937203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719968604 + 1719968605.

It is an arithmetic number, because the mean of its divisors is an integer number (1719968605).

Almost surely, 2^3439937209 is an apocalyptic number.

It is an amenable number.

3439937209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3439937209 is an equidigital number, since it uses as much as digits as its factorization.

3439937209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 3439937209 is about 58650.9779031859. The cubic root of 3439937209 is about 1509.5592779844.

The spelling of 3439937209 in words is "three billion, four hundred thirty-nine million, nine hundred thirty-seven thousand, two hundred nine".