5163663563 has 4 divisors (see below), whose sum is σ = 5181910008. Its totient is φ = 5145417120.

The previous prime is 5163663551. The next prime is 5163663577. The reversal of 5163663563 is 3653663615.

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

It is a cyclic number.

It is not a de Polignac number, because 5163663563 - 2²⁰ = 5162614987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5163663163) 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, 9122798 + ... + 9123363.

It is an arithmetic number, because the mean of its divisors is an integer number (1295477502).

Almost surely, 2^5163663563 is an apocalyptic number.

5163663563 is a deficient number, since it is larger than the sum of its proper divisors (18246445).

5163663563 is a wasteful number, since it uses less digits than its factorization.

5163663563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18246444.

The product of its digits is 874800, while the sum is 44.

The square root of 5163663563 is about 71858.6359667368. The cubic root of 5163663563 is about 1728.4333844665.

The spelling of 5163663563 in words is "five billion, one hundred sixty-three million, six hundred sixty-three thousand, five hundred sixty-three".