9963445573 has 2 divisors, whose sum is σ = 9963445574. Its totient is φ = 9963445572.

The previous prime is 9963445571. The next prime is 9963445631. The reversal of 9963445573 is 3755443699.

9963445573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9268490529 + 694955044 = 96273^2 + 26362^2 .

It is a cyclic number.

It is not a de Polignac number, because 9963445573 - 2¹ = 9963445571 is a prime.

It is a super-2 number, since 2×9963445573² (a number of 21 digits) contains 22 as substring.

Together with 9963445571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9963445571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4981722786 + 4981722787.

It is an arithmetic number, because the mean of its divisors is an integer number (4981722787).

Almost surely, 2^9963445573 is an apocalyptic number.

It is an amenable number.

9963445573 is a deficient number, since it is larger than the sum of its proper divisors (1).

9963445573 is an equidigital number, since it uses as much as digits as its factorization.

9963445573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12247200, while the sum is 55.

The square root of 9963445573 is about 99817.0605307530. The cubic root of 9963445573 is about 2151.8063473201.

The spelling of 9963445573 in words is "nine billion, nine hundred sixty-three million, four hundred forty-five thousand, five hundred seventy-three".