449153213 has 2 divisors, whose sum is σ = 449153214. Its totient is φ = 449153212.

The previous prime is 449153207. The next prime is 449153219. The reversal of 449153213 is 312351944.

It is a balanced prime because it is at equal distance from previous prime (449153207) and next prime (449153219).

It can be written as a sum of positive squares in only one way, i.e., 313360804 + 135792409 = 17702^2 + 11653^2 .

It is a cyclic number.

It is not a de Polignac number, because 449153213 - 2¹² = 449149117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449153213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449153219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224576606 + 224576607.

It is an arithmetic number, because the mean of its divisors is an integer number (224576607).

Almost surely, 2^449153213 is an apocalyptic number.

It is an amenable number.

449153213 is a deficient number, since it is larger than the sum of its proper divisors (1).

449153213 is an equidigital number, since it uses as much as digits as its factorization.

449153213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 449153213 is about 21193.2350763162. The cubic root of 449153213 is about 765.8284632719.

The spelling of 449153213 in words is "four hundred forty-nine million, one hundred fifty-three thousand, two hundred thirteen".