9697447099 has 2 divisors, whose sum is σ = 9697447100. Its totient is φ = 9697447098.

The previous prime is 9697447091. The next prime is 9697447121. The reversal of 9697447099 is 9907447969.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9697447099 - 2³ = 9697447091 is a prime.

It is a super-3 number, since 3×9697447099³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9697447099.

It is not a weakly prime, because it can be changed into another prime (9697447091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4848723549 + 4848723550.

It is an arithmetic number, because the mean of its divisors is an integer number (4848723550).

Almost surely, 2^9697447099 is an apocalyptic number.

9697447099 is a deficient number, since it is larger than the sum of its proper divisors (1).

9697447099 is an equidigital number, since it uses as much as digits as its factorization.

9697447099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30862944, while the sum is 64.

The square root of 9697447099 is about 98475.6167738999. The cubic root of 9697447099 is about 2132.4841229204.

The spelling of 9697447099 in words is "nine billion, six hundred ninety-seven million, four hundred forty-seven thousand, ninety-nine".