9923225789 has 2 divisors, whose sum is σ = 9923225790. Its totient is φ = 9923225788.

The previous prime is 9923225783. The next prime is 9923225803. The reversal of 9923225789 is 9875223299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5316888889 + 4606336900 = 72917^2 + 67870^2 .

It is a cyclic number.

It is not a de Polignac number, because 9923225789 - 2⁴ = 9923225773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9923225783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961612894 + 4961612895.

It is an arithmetic number, because the mean of its divisors is an integer number (4961612895).

Almost surely, 2^9923225789 is an apocalyptic number.

It is an amenable number.

9923225789 is a deficient number, since it is larger than the sum of its proper divisors (1).

9923225789 is an equidigital number, since it uses as much as digits as its factorization.

9923225789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The square root of 9923225789 is about 99615.3893181169. The cubic root of 9923225789 is about 2148.9070189354.

The spelling of 9923225789 in words is "nine billion, nine hundred twenty-three million, two hundred twenty-five thousand, seven hundred eighty-nine".