459509481 has 12 divisors (see below), whose sum is σ = 679172208. Its totient is φ = 299215224.

The previous prime is 459509431. The next prime is 459509489. The reversal of 459509481 is 184905954.

It is not a de Polignac number, because 459509481 - 2⁹ = 459508969 is a prime.

It is a super-2 number, since 2×459509481² = 422297926257778722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (459509489) 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 in 11 ways as a sum of consecutive naturals, for example, 593295 + ... + 594068.

It is an arithmetic number, because the mean of its divisors is an integer number (56597684).

Almost surely, 2^459509481 is an apocalyptic number.

It is an amenable number.

459509481 is a deficient number, since it is larger than the sum of its proper divisors (219662727).

459509481 is a wasteful number, since it uses less digits than its factorization.

459509481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187412 (or 1187409 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 459509481 is about 21436.1722562588. The cubic root of 459509481 is about 771.6697788786.

The spelling of 459509481 in words is "four hundred fifty-nine million, five hundred nine thousand, four hundred eighty-one".