3049439909 has 2 divisors, whose sum is σ = 3049439910. Its totient is φ = 3049439908.

The previous prime is 3049439891. The next prime is 3049439933. The reversal of 3049439909 is 9099349403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2862571009 + 186868900 = 53503^2 + 13670^2 .

It is an emirp because it is prime and its reverse (9099349403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3049439909 - 2¹⁶ = 3049374373 is a prime.

It is a super-3 number, since 3×3049439909³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3049439969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1524719954 + 1524719955.

It is an arithmetic number, because the mean of its divisors is an integer number (1524719955).

Almost surely, 2^3049439909 is an apocalyptic number.

It is an amenable number.

3049439909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3049439909 is an equidigital number, since it uses as much as digits as its factorization.

3049439909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 3049439909 is about 55221.7340274642. The cubic root of 3049439909 is about 1450.1291853193.

The spelling of 3049439909 in words is "three billion, forty-nine million, four hundred thirty-nine thousand, nine hundred nine".