9217219793 has 2 divisors, whose sum is σ = 9217219794. Its totient is φ = 9217219792.

The previous prime is 9217219733. The next prime is 9217219853. The reversal of 9217219793 is 3979127129.

It is a balanced prime because it is at equal distance from previous prime (9217219733) and next prime (9217219853).

It can be written as a sum of positive squares in only one way, i.e., 9058661329 + 158558464 = 95177^2 + 12592^2 .

It is a cyclic number.

It is not a de Polignac number, because 9217219793 - 2¹⁶ = 9217154257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9217219733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4608609896 + 4608609897.

It is an arithmetic number, because the mean of its divisors is an integer number (4608609897).

Almost surely, 2^9217219793 is an apocalyptic number.

It is an amenable number.

9217219793 is a deficient number, since it is larger than the sum of its proper divisors (1).

9217219793 is an equidigital number, since it uses as much as digits as its factorization.

9217219793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 428652, while the sum is 50.

The square root of 9217219793 is about 96006.3528783382. The cubic root of 9217219793 is about 2096.6856101872.

The spelling of 9217219793 in words is "nine billion, two hundred seventeen million, two hundred nineteen thousand, seven hundred ninety-three".