229340867489 has 2 divisors, whose sum is σ = 229340867490. Its totient is φ = 229340867488.

The previous prime is 229340867461. The next prime is 229340867491. The reversal of 229340867489 is 984768043922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218058179089 + 11282688400 = 466967^2 + 106220^2 .

It is a cyclic number.

It is not a de Polignac number, because 229340867489 - 2²⁰ = 229339818913 is a prime.

Together with 229340867491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229340867429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114670433744 + 114670433745.

It is an arithmetic number, because the mean of its divisors is an integer number (114670433745).

Almost surely, 2^229340867489 is an apocalyptic number.

It is an amenable number.

229340867489 is a deficient number, since it is larger than the sum of its proper divisors (1).

229340867489 is an equidigital number, since it uses as much as digits as its factorization.

229340867489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 229340867489 in words is "two hundred twenty-nine billion, three hundred forty million, eight hundred sixty-seven thousand, four hundred eighty-nine".