449165471 has 2 divisors, whose sum is σ = 449165472. Its totient is φ = 449165470.

The previous prime is 449165429. The next prime is 449165473. The reversal of 449165471 is 174561944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449165471 - 2²⁶ = 382056607 is a prime.

It is a super-3 number, since 3×449165471³ (a number of 27 digits) contains 333 as substring.

Together with 449165473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449165473) 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, 224582735 + 224582736.

It is an arithmetic number, because the mean of its divisors is an integer number (224582736).

Almost surely, 2^449165471 is an apocalyptic number.

449165471 is a deficient number, since it is larger than the sum of its proper divisors (1).

449165471 is an equidigital number, since it uses as much as digits as its factorization.

449165471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 449165471 is about 21193.5242703992. The cubic root of 449165471 is about 765.8354300408.

The spelling of 449165471 in words is "four hundred forty-nine million, one hundred sixty-five thousand, four hundred seventy-one".