9219797393 has 2 divisors, whose sum is σ = 9219797394. Its totient is φ = 9219797392.

The previous prime is 9219797383. The next prime is 9219797407. The reversal of 9219797393 is 3937979129.

9219797393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6014312704 + 3205484689 = 77552^2 + 56617^2 .

It is a cyclic number.

It is not a de Polignac number, because 9219797393 - 2¹⁸ = 9219535249 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 (9219797333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4609898696 + 4609898697.

It is an arithmetic number, because the mean of its divisors is an integer number (4609898697).

Almost surely, 2^9219797393 is an apocalyptic number.

It is an amenable number.

9219797393 is a deficient number, since it is larger than the sum of its proper divisors (1).

9219797393 is an equidigital number, since it uses as much as digits as its factorization.

9219797393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5786802, while the sum is 59.

The square root of 9219797393 is about 96019.7760516030. The cubic root of 9219797393 is about 2096.8810383548.

The spelling of 9219797393 in words is "nine billion, two hundred nineteen million, seven hundred ninety-seven thousand, three hundred ninety-three".