449316853 has 2 divisors, whose sum is σ = 449316854. Its totient is φ = 449316852.

The previous prime is 449316839. The next prime is 449316869. The reversal of 449316853 is 358613944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240312004 + 209004849 = 15502^2 + 14457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449316853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449316823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224658426 + 224658427.

It is an arithmetic number, because the mean of its divisors is an integer number (224658427).

Almost surely, 2^449316853 is an apocalyptic number.

It is an amenable number.

449316853 is a deficient number, since it is larger than the sum of its proper divisors (1).

449316853 is an equidigital number, since it uses as much as digits as its factorization.

449316853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 449316853 is about 21197.0953906426. The cubic root of 449316853 is about 765.9214567464.

The spelling of 449316853 in words is "four hundred forty-nine million, three hundred sixteen thousand, eight hundred fifty-three".