229439766568321 has 32 divisors (see below), whose sum is σ = 237555653623808. Its totient is φ = 221510733099840.

The previous prime is 229439766568301. The next prime is 229439766568339. The reversal of 229439766568321 is 123865667934922.

It is not a de Polignac number, because 229439766568321 - 2³¹ = 229437619084673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229439766568301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375550120 + ... + 376160566.

It is an arithmetic number, because the mean of its divisors is an integer number (7423614175744).

Almost surely, 2^{229439766568321} is an apocalyptic number.

It is an amenable number.

229439766568321 is a deficient number, since it is larger than the sum of its proper divisors (8115887055487).

229439766568321 is a wasteful number, since it uses less digits than its factorization.

229439766568321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611141.

The product of its digits is 1410877440, while the sum is 73.

The spelling of 229439766568321 in words is "two hundred twenty-nine trillion, four hundred thirty-nine billion, seven hundred sixty-six million, five hundred sixty-eight thousand, three hundred twenty-one".