224446405400689 has 2 divisors, whose sum is σ = 224446405400690. Its totient is φ = 224446405400688.

The previous prime is 224446405400687. The next prime is 224446405400771. The reversal of 224446405400689 is 986004504644422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221742327730225 + 2704077670464 = 14891015^2 + 1644408^2 .

It is a cyclic number.

It is not a de Polignac number, because 224446405400689 - 2¹ = 224446405400687 is a prime.

Together with 224446405400687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (224446405400683) 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, 112223202700344 + 112223202700345.

It is an arithmetic number, because the mean of its divisors is an integer number (112223202700345).

Almost surely, 2^{224446405400689} is an apocalyptic number.

It is an amenable number.

224446405400689 is a deficient number, since it is larger than the sum of its proper divisors (1).

224446405400689 is an equidigital number, since it uses as much as digits as its factorization.

224446405400689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53084160, while the sum is 58.

The spelling of 224446405400689 in words is "two hundred twenty-four trillion, four hundred forty-six billion, four hundred five million, four hundred thousand, six hundred eighty-nine".