450361169 has 2 divisors, whose sum is σ = 450361170. Its totient is φ = 450361168.

The previous prime is 450361159. The next prime is 450361187. The reversal of 450361169 is 961163054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319944769 + 130416400 = 17887^2 + 11420^2 .

It is a cyclic number.

It is not a de Polignac number, because 450361169 - 2⁸ = 450360913 is a prime.

It is a super-2 number, since 2×450361169² = 405650365086093122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450361129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225180584 + 225180585.

It is an arithmetic number, because the mean of its divisors is an integer number (225180585).

Almost surely, 2^450361169 is an apocalyptic number.

It is an amenable number.

450361169 is a deficient number, since it is larger than the sum of its proper divisors (1).

450361169 is an equidigital number, since it uses as much as digits as its factorization.

450361169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 450361169 is about 21221.7145631544. The cubic root of 450361169 is about 766.5143903196.

The spelling of 450361169 in words is "four hundred fifty million, three hundred sixty-one thousand, one hundred sixty-nine".