97610920193 has 2 divisors, whose sum is σ = 97610920194. Its totient is φ = 97610920192.

The previous prime is 97610920151. The next prime is 97610920247. The reversal of 97610920193 is 39102901679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89038382449 + 8572537744 = 298393^2 + 92588^2 .

It is a cyclic number.

It is not a de Polignac number, because 97610920193 - 2⁸ = 97610919937 is a prime.

It is not a weakly prime, because it can be changed into another prime (97610920103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48805460096 + 48805460097.

It is an arithmetic number, because the mean of its divisors is an integer number (48805460097).

Almost surely, 2^97610920193 is an apocalyptic number.

It is an amenable number.

97610920193 is a deficient number, since it is larger than the sum of its proper divisors (1).

97610920193 is an equidigital number, since it uses as much as digits as its factorization.

97610920193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 47.

The spelling of 97610920193 in words is "ninety-seven billion, six hundred ten million, nine hundred twenty thousand, one hundred ninety-three".