543343663 has 4 divisors (see below), whose sum is σ = 548152128. Its totient is φ = 538535200.

The previous prime is 543343649. The next prime is 543343673. The reversal of 543343663 is 366343345.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543343663 is a prime.

It is a super-2 number, since 2×543343663² = 590444672244515138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543343673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2404063 + ... + 2404288.

It is an arithmetic number, because the mean of its divisors is an integer number (137038032).

Almost surely, 2^543343663 is an apocalyptic number.

543343663 is a deficient number, since it is larger than the sum of its proper divisors (4808465).

543343663 is a wasteful number, since it uses less digits than its factorization.

543343663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808464.

The product of its digits is 233280, while the sum is 37.

The square root of 543343663 is about 23309.7332245566. The cubic root of 543343663 is about 816.0025866372.

The spelling of 543343663 in words is "five hundred forty-three million, three hundred forty-three thousand, six hundred sixty-three".