9699991132 has 24 divisors (see below), whose sum is σ = 18289017936. Its totient is φ = 4474894848.

The previous prime is 9699991099. The next prime is 9699991157. The reversal of 9699991132 is 2311999969.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77163 + ... + 159229.

It is an arithmetic number, because the mean of its divisors is an integer number (762042414).

Almost surely, 2^9699991132 is an apocalyptic number.

It is an amenable number.

9699991132 is a deficient number, since it is larger than the sum of its proper divisors (8589026804).

9699991132 is a wasteful number, since it uses less digits than its factorization.

9699991132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84357 (or 84355 counting only the distinct ones).

The product of its digits is 2125764, while the sum is 58.

The square root of 9699991132 is about 98488.5329975018. The cubic root of 9699991132 is about 2132.6705855906.

The spelling of 9699991132 in words is "nine billion, six hundred ninety-nine million, nine hundred ninety-one thousand, one hundred thirty-two".