229138343339 has 4 divisors (see below), whose sum is σ = 229140249360. Its totient is φ = 229136437320.

The previous prime is 229138343311. The next prime is 229138343359. The reversal of 229138343339 is 933343831922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229138343339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229138343359) 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, 759599 + ... + 1017480.

It is an arithmetic number, because the mean of its divisors is an integer number (57285062340).

Almost surely, 2^229138343339 is an apocalyptic number.

229138343339 is a deficient number, since it is larger than the sum of its proper divisors (1906021).

229138343339 is a wasteful number, since it uses less digits than its factorization.

229138343339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906020.

The product of its digits is 2519424, while the sum is 50.

The spelling of 229138343339 in words is "two hundred twenty-nine billion, one hundred thirty-eight million, three hundred forty-three thousand, three hundred thirty-nine".