9690653897 has 2 divisors, whose sum is σ = 9690653898. Its totient is φ = 9690653896.

The previous prime is 9690653873. The next prime is 9690653899. The reversal of 9690653897 is 7983560969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8329117696 + 1361536201 = 91264^2 + 36899^2 .

It is a cyclic number.

It is not a de Polignac number, because 9690653897 - 2²⁸ = 9422218441 is a prime.

Together with 9690653899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9690653899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4845326948 + 4845326949.

It is an arithmetic number, because the mean of its divisors is an integer number (4845326949).

Almost surely, 2^9690653897 is an apocalyptic number.

It is an amenable number.

9690653897 is a deficient number, since it is larger than the sum of its proper divisors (1).

9690653897 is an equidigital number, since it uses as much as digits as its factorization.

9690653897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The square root of 9690653897 is about 98441.1189341121. The cubic root of 9690653897 is about 2131.9860612752.

The spelling of 9690653897 in words is "nine billion, six hundred ninety million, six hundred fifty-three thousand, eight hundred ninety-seven".