226593768949 has 2 divisors, whose sum is σ = 226593768950. Its totient is φ = 226593768948.

The previous prime is 226593768923. The next prime is 226593768959. The reversal of 226593768949 is 949867395622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193925736900 + 32668032049 = 440370^2 + 180743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226593768949 is a prime.

It is a super-2 number, since 2×226593768949² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226593768959) 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, 113296884474 + 113296884475.

It is an arithmetic number, because the mean of its divisors is an integer number (113296884475).

Almost surely, 2^226593768949 is an apocalyptic number.

It is an amenable number.

226593768949 is a deficient number, since it is larger than the sum of its proper divisors (1).

226593768949 is an equidigital number, since it uses as much as digits as its factorization.

226593768949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352719360, while the sum is 70.

The spelling of 226593768949 in words is "two hundred twenty-six billion, five hundred ninety-three million, seven hundred sixty-eight thousand, nine hundred forty-nine".