9699955664 has 20 divisors (see below), whose sum is σ = 21478473504. Its totient is φ = 4157123808.

The previous prime is 9699955633. The next prime is 9699955673. The reversal of 9699955664 is 4665599969.

It is a junction number, because it is equal to n+sod(n) for n = 9699955594 and 9699955603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43303262 + ... + 43303485.

Almost surely, 2^9699955664 is an apocalyptic number.

It is an amenable number.

9699955664 is an abundant number, since it is smaller than the sum of its proper divisors (11778517840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9699955664 is a wasteful number, since it uses less digits than its factorization.

9699955664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86606762 (or 86606756 counting only the distinct ones).

The product of its digits is 141717600, while the sum is 68.

The square root of 9699955664 is about 98488.3529357660. The cubic root of 9699955664 is about 2132.6679862187.

The spelling of 9699955664 in words is "nine billion, six hundred ninety-nine million, nine hundred fifty-five thousand, six hundred sixty-four".