229246528729 has 4 divisors (see below), whose sum is σ = 229565370240. Its totient is φ = 228927687220.

The previous prime is 229246528663. The next prime is 229246528733. The reversal of 229246528729 is 927825642922.

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 229246528729 - 2⁷ = 229246528601 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229246528739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159419677 + ... + 159421114.

It is an arithmetic number, because the mean of its divisors is an integer number (57391342560).

Almost surely, 2^229246528729 is an apocalyptic number.

It is an amenable number.

229246528729 is a deficient number, since it is larger than the sum of its proper divisors (318841511).

229246528729 is an equidigital number, since it uses as much as digits as its factorization.

229246528729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318841510.

The product of its digits is 17418240, while the sum is 58.

The spelling of 229246528729 in words is "two hundred twenty-nine billion, two hundred forty-six million, five hundred twenty-eight thousand, seven hundred twenty-nine".