224189729849 has 2 divisors, whose sum is σ = 224189729850. Its totient is φ = 224189729848.

The previous prime is 224189729783. The next prime is 224189729851. The reversal of 224189729849 is 948927981422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166551323449 + 57638406400 = 408107^2 + 240080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224189729849 is a prime.

It is a super-2 number, since 2×224189729849² (a number of 24 digits) contains 22 as substring.

Together with 224189729851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224189729549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112094864924 + 112094864925.

It is an arithmetic number, because the mean of its divisors is an integer number (112094864925).

Almost surely, 2^224189729849 is an apocalyptic number.

It is an amenable number.

224189729849 is a deficient number, since it is larger than the sum of its proper divisors (1).

224189729849 is an equidigital number, since it uses as much as digits as its factorization.

224189729849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41803776, while the sum is 65.

The spelling of 224189729849 in words is "two hundred twenty-four billion, one hundred eighty-nine million, seven hundred twenty-nine thousand, eight hundred forty-nine".