459618849 has 6 divisors (see below), whose sum is σ = 663893906. Its totient is φ = 306412560.

The previous prime is 459618827. The next prime is 459618869. The reversal of 459618849 is 948816954.

459618849 is a `hidden beast` number, since 4 + 596 + 1 + 8 + 8 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 445421025 + 14197824 = 21105^2 + 3768^2 .

It is not a de Polignac number, because 459618849 - 2²⁸ = 191183393 is a prime.

It is a super-2 number, since 2×459618849² = 422498972712169602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 459618795 and 459618804.

It is not an unprimeable number, because it can be changed into a prime (459618869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25534372 + ... + 25534389.

Almost surely, 2^459618849 is an apocalyptic number.

It is an amenable number.

459618849 is a deficient number, since it is larger than the sum of its proper divisors (204275057).

459618849 is a wasteful number, since it uses less digits than its factorization.

459618849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51068767 (or 51068764 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 459618849 is about 21438.7231196263. The cubic root of 459618849 is about 771.7309958132.

The spelling of 459618849 in words is "four hundred fifty-nine million, six hundred eighteen thousand, eight hundred forty-nine".