9894033197 has 2 divisors, whose sum is σ = 9894033198. Its totient is φ = 9894033196.

The previous prime is 9894033187. The next prime is 9894033199. The reversal of 9894033197 is 7913304989.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8842393156 + 1051640041 = 94034^2 + 32429^2 .

It is a cyclic number.

It is not a de Polignac number, because 9894033197 - 2⁴ = 9894033181 is a prime.

Together with 9894033199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9894033199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4947016598 + 4947016599.

It is an arithmetic number, because the mean of its divisors is an integer number (4947016599).

Almost surely, 2^9894033197 is an apocalyptic number.

It is an amenable number.

9894033197 is a deficient number, since it is larger than the sum of its proper divisors (1).

9894033197 is an equidigital number, since it uses as much as digits as its factorization.

9894033197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 9894033197 is about 99468.7548781023. The cubic root of 9894033197 is about 2146.7976987061.

The spelling of 9894033197 in words is "nine billion, eight hundred ninety-four million, thirty-three thousand, one hundred ninety-seven".