9656679573 has 16 divisors (see below), whose sum is σ = 14307730560. Its totient is φ = 6437094048.

The previous prime is 9656679551. The next prime is 9656679587. The reversal of 9656679573 is 3759766569.

9656679573 is a `hidden beast` number, since 9 + 6 + 56 + 6 + 7 + 9 + 573 = 666.

It is not a de Polignac number, because 9656679573 - 2¹⁷ = 9656548501 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9656679573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9656679503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413536 + ... + 436262.

It is an arithmetic number, because the mean of its divisors is an integer number (894233160).

Almost surely, 2^9656679573 is an apocalyptic number.

It is an amenable number.

9656679573 is a deficient number, since it is larger than the sum of its proper divisors (4651050987).

9656679573 is a wasteful number, since it uses less digits than its factorization.

9656679573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38473 (or 38467 counting only the distinct ones).

The product of its digits is 64297800, while the sum is 63.

The square root of 9656679573 is about 98268.4057721504. The cubic root of 9656679573 is about 2129.4916442058.

The spelling of 9656679573 in words is "nine billion, six hundred fifty-six million, six hundred seventy-nine thousand, five hundred seventy-three".