9973563599 has 2 divisors, whose sum is σ = 9973563600. Its totient is φ = 9973563598.

The previous prime is 9973563583. The next prime is 9973563647. The reversal of 9973563599 is 9953653799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9973563599 - 2⁴ = 9973563583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9973563529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986781799 + 4986781800.

It is an arithmetic number, because the mean of its divisors is an integer number (4986781800).

Almost surely, 2^9973563599 is an apocalyptic number.

9973563599 is a deficient number, since it is larger than the sum of its proper divisors (1).

9973563599 is an equidigital number, since it uses as much as digits as its factorization.

9973563599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62001450, while the sum is 65.

The square root of 9973563599 is about 99867.7305189219. The cubic root of 9973563599 is about 2152.5344979257.

The spelling of 9973563599 in words is "nine billion, nine hundred seventy-three million, five hundred sixty-three thousand, five hundred ninety-nine".