9197938560 has 64 divisors (see below), whose sum is σ = 29318435280. Its totient is φ = 2452783104.

The previous prime is 9197938489. The next prime is 9197938577. The reversal of 9197938560 is 658397919.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 9197938560.

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, 2393377 + ... + 2397216.

Almost surely, 2^9197938560 is an apocalyptic number.

It is an amenable number.

9197938560 is an abundant number, since it is smaller than the sum of its proper divisors (20120496720).

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

9197938560 is a wasteful number, since it uses less digits than its factorization.

9197938560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790615 (or 4790603 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 57.

The square root of 9197938560 is about 95905.8838653813. The cubic root of 9197938560 is about 2095.2225910908. Note that the first 3 decimals are identical.

The spelling of 9197938560 in words is "nine billion, one hundred ninety-seven million, nine hundred thirty-eight thousand, five hundred sixty".