9656898563 has 4 divisors (see below), whose sum is σ = 10399736928. Its totient is φ = 8914060200.

The previous prime is 9656898541. The next prime is 9656898721. The reversal of 9656898563 is 3658986569.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3658986569 = 7 ⋅522712367.

It is a cyclic number.

It is not a de Polignac number, because 9656898563 - 2⁶ = 9656898499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9656898563.

It is not an unprimeable number, because it can be changed into a prime (9656892563) 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, 371419163 + ... + 371419188.

It is an arithmetic number, because the mean of its divisors is an integer number (2599934232).

Almost surely, 2^9656898563 is an apocalyptic number.

9656898563 is a deficient number, since it is larger than the sum of its proper divisors (742838365).

9656898563 is a wasteful number, since it uses less digits than its factorization.

9656898563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742838364.

The product of its digits is 83980800, while the sum is 65.

The square root of 9656898563 is about 98269.5200100214. The cubic root of 9656898563 is about 2129.5077413141.

The spelling of 9656898563 in words is "nine billion, six hundred fifty-six million, eight hundred ninety-eight thousand, five hundred sixty-three".