9704642197 has 2 divisors, whose sum is σ = 9704642198. Its totient is φ = 9704642196.

The previous prime is 9704642191. The next prime is 9704642201. The reversal of 9704642197 is 7912464079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8210896996 + 1493745201 = 90614^2 + 38649^2 .

It is a cyclic number.

It is not a de Polignac number, because 9704642197 - 2¹¹ = 9704640149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9704642197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9704642191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4852321098 + 4852321099.

It is an arithmetic number, because the mean of its divisors is an integer number (4852321099).

Almost surely, 2^9704642197 is an apocalyptic number.

It is an amenable number.

9704642197 is a deficient number, since it is larger than the sum of its proper divisors (1).

9704642197 is an equidigital number, since it uses as much as digits as its factorization.

9704642197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 9704642197 is about 98512.1423835661. The cubic root of 9704642197 is about 2133.0113970551.

The spelling of 9704642197 in words is "nine billion, seven hundred four million, six hundred forty-two thousand, one hundred ninety-seven".