9689556764 has 12 divisors (see below), whose sum is σ = 16961595000. Its totient is φ = 4843386768.

The previous prime is 9689556739. The next prime is 9689556791. The reversal of 9689556764 is 4676559869.

It is a self number, because there is not a number n which added to its sum of digits gives 9689556764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332159 + ... + 360150.

It is an arithmetic number, because the mean of its divisors is an integer number (1413466250).

Almost surely, 2^9689556764 is an apocalyptic number.

It is an amenable number.

9689556764 is a deficient number, since it is larger than the sum of its proper divisors (7272038236).

9689556764 is a wasteful number, since it uses less digits than its factorization.

9689556764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695812 (or 695810 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 65.

The square root of 9689556764 is about 98435.5462421985. The cubic root of 9689556764 is about 2131.9056002259.

The spelling of 9689556764 in words is "nine billion, six hundred eighty-nine million, five hundred fifty-six thousand, seven hundred sixty-four".