4449636109 has 2 divisors, whose sum is σ = 4449636110. Its totient is φ = 4449636108.

The previous prime is 4449636073. The next prime is 4449636161. The reversal of 4449636109 is 9016369444.

4449636109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2912760900 + 1536875209 = 53970^2 + 39203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4449636109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4449636209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224818054 + 2224818055.

It is an arithmetic number, because the mean of its divisors is an integer number (2224818055).

Almost surely, 2^4449636109 is an apocalyptic number.

It is an amenable number.

4449636109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4449636109 is an equidigital number, since it uses as much as digits as its factorization.

4449636109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 4449636109 is about 66705.5927865123. The cubic root of 4449636109 is about 1644.7813210664.

The spelling of 4449636109 in words is "four billion, four hundred forty-nine million, six hundred thirty-six thousand, one hundred nine".