9697641320 has 16 divisors (see below), whose sum is σ = 21819693060. Its totient is φ = 3879056512.

The previous prime is 9697641319. The next prime is 9697641323. The reversal of 9697641320 is 231467969.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7921356004 + 1776285316 = 89002^2 + 42146^2 .

It is not an unprimeable number, because it can be changed into a prime (9697641323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121220477 + ... + 121220556.

Almost surely, 2^9697641320 is an apocalyptic number.

It is an amenable number.

9697641320 is an abundant number, since it is smaller than the sum of its proper divisors (12122051740).

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

9697641320 is a wasteful number, since it uses less digits than its factorization.

9697641320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242441044 (or 242441040 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 9697641320 is about 98476.6029064772. The cubic root of 9697641320 is about 2132.4983593282.

The spelling of 9697641320 in words is "nine billion, six hundred ninety-seven million, six hundred forty-one thousand, three hundred twenty".