9999996497 has 2 divisors, whose sum is σ = 9999996498. Its totient is φ = 9999996496.

The previous prime is 9999996467. The next prime is 9999996499. The reversal of 9999996497 is 7946999999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7555781776 + 2444214721 = 86924^2 + 49439^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999996497 - 2²⁰ = 9998947921 is a prime.

Together with 9999996499, 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 (9999996499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999998248 + 4999998249.

It is an arithmetic number, because the mean of its divisors is an integer number (4999998249).

Almost surely, 2^9999996497 is an apocalyptic number.

It is an amenable number.

9999996497 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999996497 is an equidigital number, since it uses as much as digits as its factorization.

9999996497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 803538792, while the sum is 80.

The square root of 9999996497 is about 99999.9824849985. The cubic root of 9999996497 is about 2154.4344384657.

The spelling of 9999996497 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-six thousand, four hundred ninety-seven".