459668539 has 8 divisors (see below), whose sum is σ = 527849280. Its totient is φ = 395886600.

The previous prime is 459668509. The next prime is 459668543. The reversal of 459668539 is 935866954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 459668539 - 2⁷ = 459668411 is a prime.

It is a super-2 number, since 2×459668539² = 422590331492789042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 459668539.

It is not an unprimeable number, because it can be changed into a prime (459668509) 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 in 7 ways as a sum of consecutive naturals, for example, 1099477 + ... + 1099894.

It is an arithmetic number, because the mean of its divisors is an integer number (65981160).

Almost surely, 2^459668539 is an apocalyptic number.

459668539 is a deficient number, since it is larger than the sum of its proper divisors (68180741).

459668539 is a wasteful number, since it uses less digits than its factorization.

459668539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199401.

The product of its digits is 6998400, while the sum is 55.

The square root of 459668539 is about 21439.8819726229. The cubic root of 459668539 is about 771.7588057630.

The spelling of 459668539 in words is "four hundred fifty-nine million, six hundred sixty-eight thousand, five hundred thirty-nine".