449812199 has 2 divisors, whose sum is σ = 449812200. Its totient is φ = 449812198.

The previous prime is 449812151. The next prime is 449812217. The reversal of 449812199 is 991218944.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449812199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449812399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224906099 + 224906100.

It is an arithmetic number, because the mean of its divisors is an integer number (224906100).

Almost surely, 2^449812199 is an apocalyptic number.

449812199 is a deficient number, since it is larger than the sum of its proper divisors (1).

449812199 is an equidigital number, since it uses as much as digits as its factorization.

449812199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 47.

The square root of 449812199 is about 21208.7764616444. The cubic root of 449812199 is about 766.2028148362.

The spelling of 449812199 in words is "four hundred forty-nine million, eight hundred twelve thousand, one hundred ninety-nine".