450460489 has 2 divisors, whose sum is σ = 450460490. Its totient is φ = 450460488.

The previous prime is 450460469. The next prime is 450460499. The reversal of 450460489 is 984064054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 370947600 + 79512889 = 19260^2 + 8917^2 .

It is a cyclic number.

It is not a de Polignac number, because 450460489 - 2¹³ = 450452297 is a prime.

It is not a weakly prime, because it can be changed into another prime (450460429) 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, 225230244 + 225230245.

It is an arithmetic number, because the mean of its divisors is an integer number (225230245).

Almost surely, 2^450460489 is an apocalyptic number.

It is an amenable number.

450460489 is a deficient number, since it is larger than the sum of its proper divisors (1).

450460489 is an equidigital number, since it uses as much as digits as its factorization.

450460489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 450460489 is about 21224.0544901298. The cubic root of 450460489 is about 766.5707337011.

The spelling of 450460489 in words is "four hundred fifty million, four hundred sixty thousand, four hundred eighty-nine".