449170663 has 2 divisors, whose sum is σ = 449170664. Its totient is φ = 449170662.

The previous prime is 449170649. The next prime is 449170669. The reversal of 449170663 is 366071944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449170663 - 2¹³ = 449162471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449170669) 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, 224585331 + 224585332.

It is an arithmetic number, because the mean of its divisors is an integer number (224585332).

Almost surely, 2^449170663 is an apocalyptic number.

449170663 is a deficient number, since it is larger than the sum of its proper divisors (1).

449170663 is an equidigital number, since it uses as much as digits as its factorization.

449170663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 449170663 is about 21193.6467602912. The cubic root of 449170663 is about 765.8383808481.

The spelling of 449170663 in words is "four hundred forty-nine million, one hundred seventy thousand, six hundred sixty-three".