224705163646109 has 2 divisors, whose sum is σ = 224705163646110. Its totient is φ = 224705163646108.

The previous prime is 224705163646057. The next prime is 224705163646169. The reversal of 224705163646109 is 901646361507422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163714967863225 + 60990195782884 = 12795115^2 + 7809622^2 .

It is a cyclic number.

It is not a de Polignac number, because 224705163646109 - 2²⁰ = 224705162597533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224705163646169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112352581823054 + 112352581823055.

It is an arithmetic number, because the mean of its divisors is an integer number (112352581823055).

Almost surely, 2^{224705163646109} is an apocalyptic number.

It is an amenable number.

224705163646109 is a deficient number, since it is larger than the sum of its proper divisors (1).

224705163646109 is an equidigital number, since it uses as much as digits as its factorization.

224705163646109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 224705163646109 in words is "two hundred twenty-four trillion, seven hundred five billion, one hundred sixty-three million, six hundred forty-six thousand, one hundred nine".