449170669 has 2 divisors, whose sum is σ = 449170670. Its totient is φ = 449170668.

The previous prime is 449170663. The next prime is 449170693. The reversal of 449170669 is 966071944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333500644 + 115670025 = 18262^2 + 10755^2 .

It is a cyclic number.

It is not a de Polignac number, because 449170669 - 2¹⁵ = 449137901 is a prime.

It is a super-2 number, since 2×449170669² = 403508579779815122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449170663) 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, 224585334 + 224585335.

It is an arithmetic number, because the mean of its divisors is an integer number (224585335).

Almost surely, 2^449170669 is an apocalyptic number.

It is an amenable number.

449170669 is a deficient number, since it is larger than the sum of its proper divisors (1).

449170669 is an equidigital number, since it uses as much as digits as its factorization.

449170669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 449170669 is about 21193.6469018430. The cubic root of 449170669 is about 765.8383842581.

The spelling of 449170669 in words is "four hundred forty-nine million, one hundred seventy thousand, six hundred sixty-nine".