449434091 has 2 divisors, whose sum is σ = 449434092. Its totient is φ = 449434090.

The previous prime is 449434067. The next prime is 449434123. The reversal of 449434091 is 190434944.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449434091 - 2¹⁴ = 449417707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449434691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224717045 + 224717046.

It is an arithmetic number, because the mean of its divisors is an integer number (224717046).

Almost surely, 2^449434091 is an apocalyptic number.

449434091 is a deficient number, since it is larger than the sum of its proper divisors (1).

449434091 is an equidigital number, since it uses as much as digits as its factorization.

449434091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 449434091 is about 21199.8606363344. The cubic root of 449434091 is about 765.9880669721.

The spelling of 449434091 in words is "four hundred forty-nine million, four hundred thirty-four thousand, ninety-one".