466440209 has 2 divisors, whose sum is σ = 466440210. Its totient is φ = 466440208.

The previous prime is 466440151. The next prime is 466440217. The reversal of 466440209 is 902044664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462250000 + 4190209 = 21500^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 466440209 - 2¹⁶ = 466374673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (466440409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233220104 + 233220105.

It is an arithmetic number, because the mean of its divisors is an integer number (233220105).

Almost surely, 2^466440209 is an apocalyptic number.

It is an amenable number.

466440209 is a deficient number, since it is larger than the sum of its proper divisors (1).

466440209 is an equidigital number, since it uses as much as digits as its factorization.

466440209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 466440209 is about 21597.2268821717. The cubic root of 466440209 is about 775.5301036437.

The spelling of 466440209 in words is "four hundred sixty-six million, four hundred forty thousand, two hundred nine".