9845005297 has 2 divisors, whose sum is σ = 9845005298. Its totient is φ = 9845005296.

The previous prime is 9845005279. The next prime is 9845005309. The reversal of 9845005297 is 7925005489.

Together with previous prime (9845005279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7342604721 + 2502400576 = 85689^2 + 50024^2 .

It is a cyclic number.

It is not a de Polignac number, because 9845005297 - 2²³ = 9836616689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9845005297.

It is not a weakly prime, because it can be changed into another prime (9845005697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4922502648 + 4922502649.

It is an arithmetic number, because the mean of its divisors is an integer number (4922502649).

Almost surely, 2^9845005297 is an apocalyptic number.

It is an amenable number.

9845005297 is a deficient number, since it is larger than the sum of its proper divisors (1).

9845005297 is an equidigital number, since it uses as much as digits as its factorization.

9845005297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 9845005297 is about 99222.0000655097. Note that the first 4 decimals coincide. The cubic root of 9845005297 is about 2143.2458166661.

The spelling of 9845005297 in words is "nine billion, eight hundred forty-five million, five thousand, two hundred ninety-seven".