229629648568321 has 4 divisors (see below), whose sum is σ = 230280157488132. Its totient is φ = 228979139648512.

The previous prime is 229629648568283. The next prime is 229629648568337. The reversal of 229629648568321 is 123865846926922.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75711507927696 + 153918140640625 = 8701236^2 + 12406375^2 .

It is a cyclic number.

It is not a de Polignac number, because 229629648568321 - 2⁴¹ = 227430625312769 is a prime.

It is a super-2 number, since 2×229629648568321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229629648568361) 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, 325254459376 + ... + 325254460081.

It is an arithmetic number, because the mean of its divisors is an integer number (57570039372033).

Almost surely, 2^{229629648568321} is an apocalyptic number.

It is an amenable number.

229629648568321 is a deficient number, since it is larger than the sum of its proper divisors (650508919811).

229629648568321 is an equidigital number, since it uses as much as digits as its factorization.

229629648568321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650508919810.

The product of its digits is 1074954240, while the sum is 73.

The spelling of 229629648568321 in words is "two hundred twenty-nine trillion, six hundred twenty-nine billion, six hundred forty-eight million, five hundred sixty-eight thousand, three hundred twenty-one".