229813664617 has 2 divisors, whose sum is σ = 229813664618. Its totient is φ = 229813664616.

The previous prime is 229813664599. The next prime is 229813664657. The reversal of 229813664617 is 716466318922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178228353241 + 51585311376 = 422171^2 + 227124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229813664617 is a prime.

It is not a weakly prime, because it can be changed into another prime (229813664657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114906832308 + 114906832309.

It is an arithmetic number, because the mean of its divisors is an integer number (114906832309).

Almost surely, 2^229813664617 is an apocalyptic number.

It is an amenable number.

229813664617 is a deficient number, since it is larger than the sum of its proper divisors (1).

229813664617 is an equidigital number, since it uses as much as digits as its factorization.

229813664617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 55.

The spelling of 229813664617 in words is "two hundred twenty-nine billion, eight hundred thirteen million, six hundred sixty-four thousand, six hundred seventeen".