449227109 has 2 divisors, whose sum is σ = 449227110. Its totient is φ = 449227108.

The previous prime is 449227087. The next prime is 449227213. The reversal of 449227109 is 901722944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440076484 + 9150625 = 20978^2 + 3025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449227109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449227309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224613554 + 224613555.

It is an arithmetic number, because the mean of its divisors is an integer number (224613555).

Almost surely, 2^449227109 is an apocalyptic number.

It is an amenable number.

449227109 is a deficient number, since it is larger than the sum of its proper divisors (1).

449227109 is an equidigital number, since it uses as much as digits as its factorization.

449227109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 449227109 is about 21194.9783911190. The cubic root of 449227109 is about 765.8704597483.

The spelling of 449227109 in words is "four hundred forty-nine million, two hundred twenty-seven thousand, one hundred nine".