229530665443 has 4 divisors (see below), whose sum is σ = 232674921208. Its totient is φ = 226386409680.

The previous prime is 229530665437. The next prime is 229530665453. The reversal of 229530665443 is 344566035922.

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

It is a cyclic number.

It is not a de Polignac number, because 229530665443 - 2⁹ = 229530664931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229530665453) 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, 1572127773 + ... + 1572127918.

It is an arithmetic number, because the mean of its divisors is an integer number (58168730302).

Almost surely, 2^229530665443 is an apocalyptic number.

229530665443 is a deficient number, since it is larger than the sum of its proper divisors (3144255765).

229530665443 is an equidigital number, since it uses as much as digits as its factorization.

229530665443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144255764.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 229530665443 in words is "two hundred twenty-nine billion, five hundred thirty million, six hundred sixty-five thousand, four hundred forty-three".