224446405636769 has 2 divisors, whose sum is σ = 224446405636770. Its totient is φ = 224446405636768.

The previous prime is 224446405636721. The next prime is 224446405636781. The reversal of 224446405636769 is 967636504644422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186333747769744 + 38112657867025 = 13650412^2 + 6173545^2 .

It is a cyclic number.

It is not a de Polignac number, because 224446405636769 - 2¹⁶ = 224446405571233 is a prime.

It is a super-2 number, since 2×224446405636769² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 224446405636699 and 224446405636708.

It is not a weakly prime, because it can be changed into another prime (224446405636709) 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, 112223202818384 + 112223202818385.

It is an arithmetic number, because the mean of its divisors is an integer number (112223202818385).

Almost surely, 2^{224446405636769} is an apocalyptic number.

It is an amenable number.

224446405636769 is a deficient number, since it is larger than the sum of its proper divisors (1).

224446405636769 is an equidigital number, since it uses as much as digits as its factorization.

224446405636769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1254113280, while the sum is 68.

The spelling of 224446405636769 in words is "two hundred twenty-four trillion, four hundred forty-six billion, four hundred five million, six hundred thirty-six thousand, seven hundred sixty-nine".