9697537097 has 4 divisors (see below), whose sum is σ = 9698440836. Its totient is φ = 9696633360.

The previous prime is 9697537079. The next prime is 9697537111. The reversal of 9697537097 is 7907357969.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7154453056 + 2543084041 = 84584^2 + 50429^2 .

It is a cyclic number.

It is not a de Polignac number, because 9697537097 - 2⁸ = 9697536841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9697537027) 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, 435578 + ... + 457299.

It is an arithmetic number, because the mean of its divisors is an integer number (2424610209).

Almost surely, 2^9697537097 is an apocalyptic number.

It is an amenable number.

9697537097 is a deficient number, since it is larger than the sum of its proper divisors (903739).

9697537097 is a wasteful number, since it uses less digits than its factorization.

9697537097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903738.

The product of its (nonzero) digits is 22504230, while the sum is 62.

The square root of 9697537097 is about 98476.0737285966. The cubic root of 9697537097 is about 2132.4907198014.

The spelling of 9697537097 in words is "nine billion, six hundred ninety-seven million, five hundred thirty-seven thousand, ninety-seven".