449238113 has 2 divisors, whose sum is σ = 449238114. Its totient is φ = 449238112.

The previous prime is 449238077. The next prime is 449238121. The reversal of 449238113 is 311832944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449143249 + 94864 = 21193^2 + 308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449238113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449238133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224619056 + 224619057.

It is an arithmetic number, because the mean of its divisors is an integer number (224619057).

Almost surely, 2^449238113 is an apocalyptic number.

It is an amenable number.

449238113 is a deficient number, since it is larger than the sum of its proper divisors (1).

449238113 is an equidigital number, since it uses as much as digits as its factorization.

449238113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 449238113 is about 21195.2379793198. The cubic root of 449238113 is about 765.8767131329.

The spelling of 449238113 in words is "four hundred forty-nine million, two hundred thirty-eight thousand, one hundred thirteen".