224764782989 has 2 divisors, whose sum is σ = 224764782990. Its totient is φ = 224764782988.

The previous prime is 224764782971. The next prime is 224764783049. The reversal of 224764782989 is 989287467422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125646854089 + 99117928900 = 354467^2 + 314830^2 .

It is a cyclic number.

It is not a de Polignac number, because 224764782989 - 2³² = 220469815693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224764782689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112382391494 + 112382391495.

It is an arithmetic number, because the mean of its divisors is an integer number (112382391495).

Almost surely, 2^224764782989 is an apocalyptic number.

It is an amenable number.

224764782989 is a deficient number, since it is larger than the sum of its proper divisors (1).

224764782989 is an equidigital number, since it uses as much as digits as its factorization.

224764782989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 195084288, while the sum is 68.

The spelling of 224764782989 in words is "two hundred twenty-four billion, seven hundred sixty-four million, seven hundred eighty-two thousand, nine hundred eighty-nine".