229839288009 has 4 divisors (see below), whose sum is σ = 306452384016. Its totient is φ = 153226192004.

The previous prime is 229839288001. The next prime is 229839288031. The reversal of 229839288009 is 900882938922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229839288009 - 2³ = 229839288001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229839288001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38306547999 + ... + 38306548004.

It is an arithmetic number, because the mean of its divisors is an integer number (76613096004).

Almost surely, 2^229839288009 is an apocalyptic number.

It is an amenable number.

229839288009 is a deficient number, since it is larger than the sum of its proper divisors (76613096007).

229839288009 is an equidigital number, since it uses as much as digits as its factorization.

229839288009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76613096006.

The product of its (nonzero) digits is 8957952, while the sum is 60.

The spelling of 229839288009 in words is "two hundred twenty-nine billion, eight hundred thirty-nine million, two hundred eighty-eight thousand, nine".