459663898 has 4 divisors (see below), whose sum is σ = 689495850. Its totient is φ = 229831948.

The previous prime is 459663887. The next prime is 459663973. The reversal of 459663898 is 898366954.

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., 405096129 + 54567769 = 20127^2 + 7387^2 .

It is a super-2 number, since 2×459663898² = 422581798249108808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114915973 + ... + 114915976.

Almost surely, 2^459663898 is an apocalyptic number.

459663898 is a deficient number, since it is larger than the sum of its proper divisors (229831952).

459663898 is a wasteful number, since it uses less digits than its factorization.

459663898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229831951.

The product of its digits is 11197440, while the sum is 58.

The square root of 459663898 is about 21439.7737394778. The cubic root of 459663898 is about 771.7562084243.

It can be divided in two parts, 4596638 and 98, that added together give a square (4596736 = 2144²).

The spelling of 459663898 in words is "four hundred fifty-nine million, six hundred sixty-three thousand, eight hundred ninety-eight".