229171666013 has 2 divisors, whose sum is σ = 229171666014. Its totient is φ = 229171666012.

The previous prime is 229171665949. The next prime is 229171666021. The reversal of 229171666013 is 310666171922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152036046724 + 77135619289 = 389918^2 + 277733^2 .

It is a cyclic number.

It is not a de Polignac number, because 229171666013 - 2⁶ = 229171665949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229171663013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114585833006 + 114585833007.

It is an arithmetic number, because the mean of its divisors is an integer number (114585833007).

Almost surely, 2^229171666013 is an apocalyptic number.

It is an amenable number.

229171666013 is a deficient number, since it is larger than the sum of its proper divisors (1).

229171666013 is an equidigital number, since it uses as much as digits as its factorization.

229171666013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 229171666013 in words is "two hundred twenty-nine billion, one hundred seventy-one million, six hundred sixty-six thousand, thirteen".