9691488972 has 60 divisors (see below), whose sum is σ = 27638700936. Its totient is φ = 2936813760.

The previous prime is 9691488949. The next prime is 9691488997. The reversal of 9691488972 is 2798841969.

9691488972 is a `hidden beast` number, since 9 + 69 + 1 + 488 + 97 + 2 = 666.

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 19 ways as a sum of consecutive naturals, for example, 1356073 + ... + 1363200.

Almost surely, 2^9691488972 is an apocalyptic number.

It is an amenable number.

9691488972 is an abundant number, since it is smaller than the sum of its proper divisors (17947211964).

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

9691488972 is a wasteful number, since it uses less digits than its factorization.

9691488972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719300 (or 2719289 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The square root of 9691488972 is about 98445.3603376005. The cubic root of 9691488972 is about 2132.0472995618.

The spelling of 9691488972 in words is "nine billion, six hundred ninety-one million, four hundred eighty-eight thousand, nine hundred seventy-two".