449359271 has 2 divisors, whose sum is σ = 449359272. Its totient is φ = 449359270.

The previous prime is 449359247. The next prime is 449359297. The reversal of 449359271 is 172953944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449359271 - 2¹⁸ = 449097127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449352271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224679635 + 224679636.

It is an arithmetic number, because the mean of its divisors is an integer number (224679636).

Almost surely, 2^449359271 is an apocalyptic number.

449359271 is a deficient number, since it is larger than the sum of its proper divisors (1).

449359271 is an equidigital number, since it uses as much as digits as its factorization.

449359271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 449359271 is about 21198.0959286442. The cubic root of 449359271 is about 765.9455583974.

The spelling of 449359271 in words is "four hundred forty-nine million, three hundred fifty-nine thousand, two hundred seventy-one".