449983349 has 2 divisors, whose sum is σ = 449983350. Its totient is φ = 449983348.

The previous prime is 449983309. The next prime is 449983351. The reversal of 449983349 is 943389944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230736100 + 219247249 = 15190^2 + 14807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449983349 is a prime.

Together with 449983351, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449983349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449983309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224991674 + 224991675.

It is an arithmetic number, because the mean of its divisors is an integer number (224991675).

Almost surely, 2^449983349 is an apocalyptic number.

It is an amenable number.

449983349 is a deficient number, since it is larger than the sum of its proper divisors (1).

449983349 is an equidigital number, since it uses as much as digits as its factorization.

449983349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 53.

The square root of 449983349 is about 21212.8109641320. The cubic root of 449983349 is about 766.2999805597.

The spelling of 449983349 in words is "four hundred forty-nine million, nine hundred eighty-three thousand, three hundred forty-nine".