459941309 has 2 divisors, whose sum is σ = 459941310. Its totient is φ = 459941308.

The previous prime is 459941299. The next prime is 459941329. The reversal of 459941309 is 903149954.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243204025 + 216737284 = 15595^2 + 14722^2 .

It is a cyclic number.

It is not a de Polignac number, because 459941309 - 2¹² = 459937213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 459941309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459941329) 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, 229970654 + 229970655.

It is an arithmetic number, because the mean of its divisors is an integer number (229970655).

Almost surely, 2^459941309 is an apocalyptic number.

It is an amenable number.

459941309 is a deficient number, since it is larger than the sum of its proper divisors (1).

459941309 is an equidigital number, since it uses as much as digits as its factorization.

459941309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 459941309 is about 21446.2423048888. The cubic root of 459941309 is about 771.9114309740.

The spelling of 459941309 in words is "four hundred fifty-nine million, nine hundred forty-one thousand, three hundred nine".