459413509 has 4 divisors (see below), whose sum is σ = 466944940. Its totient is φ = 451882080.

The previous prime is 459413501. The next prime is 459413543. The reversal of 459413509 is 905314954.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144528484 + 314885025 = 12022^2 + 17745^2 .

It is a cyclic number.

It is not a de Polignac number, because 459413509 - 2³ = 459413501 is a prime.

It is a super-2 number, since 2×459413509² = 422121544503386162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459413501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3765624 + ... + 3765745.

It is an arithmetic number, because the mean of its divisors is an integer number (116736235).

Almost surely, 2^459413509 is an apocalyptic number.

It is an amenable number.

459413509 is a deficient number, since it is larger than the sum of its proper divisors (7531431).

459413509 is an equidigital number, since it uses as much as digits as its factorization.

459413509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531430.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 459413509 is about 21433.9335867218. The cubic root of 459413509 is about 771.6160521318.

The spelling of 459413509 in words is "four hundred fifty-nine million, four hundred thirteen thousand, five hundred nine".