9873003563 has 4 divisors (see below), whose sum is σ = 9873273120. Its totient is φ = 9872734008.

The previous prime is 9873003551. The next prime is 9873003599. The reversal of 9873003563 is 3653003789.

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 9873003563 - 2⁶ = 9873003499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9873003533) 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, 69203 + ... + 156636.

It is an arithmetic number, because the mean of its divisors is an integer number (2468318280).

Almost surely, 2^9873003563 is an apocalyptic number.

9873003563 is a deficient number, since it is larger than the sum of its proper divisors (269557).

9873003563 is a wasteful number, since it uses less digits than its factorization.

9873003563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269556.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 9873003563 is about 99362.9888992878. The cubic root of 9873003563 is about 2145.2756233030.

The spelling of 9873003563 in words is "nine billion, eight hundred seventy-three million, three thousand, five hundred sixty-three".