9663596953 has 2 divisors, whose sum is σ = 9663596954. Its totient is φ = 9663596952.

The previous prime is 9663596951. The next prime is 9663597017. The reversal of 9663596953 is 3596953669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8375361289 + 1288235664 = 91517^2 + 35892^2 .

It is a cyclic number.

It is not a de Polignac number, because 9663596953 - 2¹ = 9663596951 is a prime.

Together with 9663596951, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 9663596891 and 9663596900.

It is not a weakly prime, because it can be changed into another prime (9663596951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4831798476 + 4831798477.

It is an arithmetic number, because the mean of its divisors is an integer number (4831798477).

Almost surely, 2^9663596953 is an apocalyptic number.

It is an amenable number.

9663596953 is a deficient number, since it is larger than the sum of its proper divisors (1).

9663596953 is an equidigital number, since it uses as much as digits as its factorization.

9663596953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35429400, while the sum is 61.

The square root of 9663596953 is about 98303.5958294507. The cubic root of 9663596953 is about 2129.9999965468. Note that the first 5 decimals are identical.

The spelling of 9663596953 in words is "nine billion, six hundred sixty-three million, five hundred ninety-six thousand, nine hundred fifty-three".