459499538 has 4 divisors (see below), whose sum is σ = 689249310. Its totient is φ = 229749768.

The previous prime is 459499531. The next prime is 459499541. The reversal of 459499538 is 835994954.

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

It can be written as a sum of positive squares in only one way, i.e., 290941249 + 168558289 = 17057^2 + 12983^2 .

It is a super-2 number, since 2×459499538² = 422279650844426888, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (459499531) 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, 114874883 + ... + 114874886.

Almost surely, 2^459499538 is an apocalyptic number.

459499538 is a deficient number, since it is larger than the sum of its proper divisors (229749772).

459499538 is a wasteful number, since it uses less digits than its factorization.

459499538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229749771.

The product of its digits is 6998400, while the sum is 56.

The square root of 459499538 is about 21435.9403339345. The cubic root of 459499538 is about 771.6642129666.

The spelling of 459499538 in words is "four hundred fifty-nine million, four hundred ninety-nine thousand, five hundred thirty-eight".