563494418 has 8 divisors (see below), whose sum is σ = 874387980. Its totient is φ = 272031760.

The previous prime is 563494417. The next prime is 563494441. The reversal of 563494418 is 814494365.

It can be written as a sum of positive squares in 2 ways, for example, as 533933449 + 29560969 = 23107^2 + 5437^2 .

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

It is not an unprimeable number, because it can be changed into a prime (563494417) 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 in 3 ways as a sum of consecutive naturals, for example, 4857653 + ... + 4857768.

Almost surely, 2^563494418 is an apocalyptic number.

563494418 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

563494418 is a deficient number, since it is larger than the sum of its proper divisors (310893562).

563494418 is a wasteful number, since it uses less digits than its factorization.

563494418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9715452.

The product of its digits is 414720, while the sum is 44.

The square root of 563494418 is about 23738.0373662188. The cubic root of 563494418 is about 825.9679696866.

The spelling of 563494418 in words is "five hundred sixty-three million, four hundred ninety-four thousand, four hundred eighteen".