449120291 has 2 divisors, whose sum is σ = 449120292. Its totient is φ = 449120290.

The previous prime is 449120279. The next prime is 449120299. The reversal of 449120291 is 192021944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449120291 - 2¹⁰ = 449119267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449120299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224560145 + 224560146.

It is an arithmetic number, because the mean of its divisors is an integer number (224560146).

Almost surely, 2^449120291 is an apocalyptic number.

449120291 is a deficient number, since it is larger than the sum of its proper divisors (1).

449120291 is an equidigital number, since it uses as much as digits as its factorization.

449120291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 449120291 is about 21192.4583519704. The cubic root of 449120291 is about 765.8097516015.

The spelling of 449120291 in words is "four hundred forty-nine million, one hundred twenty thousand, two hundred ninety-one".