229166686009 has 2 divisors, whose sum is σ = 229166686010. Its totient is φ = 229166686008.

The previous prime is 229166685997. The next prime is 229166686037. The reversal of 229166686009 is 900686661922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183695388409 + 45471297600 = 428597^2 + 213240^2 .

It is a cyclic number.

It is not a de Polignac number, because 229166686009 - 2⁵ = 229166685977 is a prime.

It is not a weakly prime, because it can be changed into another prime (229166686069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114583343004 + 114583343005.

It is an arithmetic number, because the mean of its divisors is an integer number (114583343005).

Almost surely, 2^229166686009 is an apocalyptic number.

It is an amenable number.

229166686009 is a deficient number, since it is larger than the sum of its proper divisors (1).

229166686009 is an equidigital number, since it uses as much as digits as its factorization.

229166686009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 229166686009 in words is "two hundred twenty-nine billion, one hundred sixty-six million, six hundred eighty-six thousand, nine".