229443566039 has 4 divisors (see below), whose sum is σ = 229720338360. Its totient is φ = 229166793720.

The previous prime is 229443565973. The next prime is 229443566101. The reversal of 229443566039 is 930665344922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930665344922 = 2 ⋅465332672461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229443566039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229443569039) 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, 138384917 + ... + 138386574.

It is an arithmetic number, because the mean of its divisors is an integer number (57430084590).

Almost surely, 2^229443566039 is an apocalyptic number.

229443566039 is a deficient number, since it is larger than the sum of its proper divisors (276772321).

229443566039 is an equidigital number, since it uses as much as digits as its factorization.

229443566039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276772320.

The product of its (nonzero) digits is 8398080, while the sum is 53.

The spelling of 229443566039 in words is "two hundred twenty-nine billion, four hundred forty-three million, five hundred sixty-six thousand, thirty-nine".