563641343 has 6 divisors (see below), whose sum is σ = 575799984. Its totient is φ = 551489676.

The previous prime is 563641339. The next prime is 563641357. The reversal of 563641343 is 343146365.

It is not a de Polignac number, because 563641343 - 2² = 563641339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563641363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161030 + ... + 164492.

It is an arithmetic number, because the mean of its divisors is an integer number (95966664).

Almost surely, 2^563641343 is an apocalyptic number.

563641343 is a deficient number, since it is larger than the sum of its proper divisors (12158641).

563641343 is an frugal number, since it uses more digits than its factorization.

563641343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973 (or 3510 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

The square root of 563641343 is about 23741.1318811888. The cubic root of 563641343 is about 826.0397508166.

The spelling of 563641343 in words is "five hundred sixty-three million, six hundred forty-one thousand, three hundred forty-three".