4304243442321 has 6 divisors (see below), whose sum is σ = 6217240527810. Its totient is φ = 2869495628208.

The previous prime is 4304243442319. The next prime is 4304243442329. The reversal of 4304243442321 is 1232443424034.

4304243442321 is a `hidden beast` number, since 4 + 304 + 2 + 4 + 344 + 2 + 3 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4295836569600 + 8406872721 = 2072640^2 + 91689^2 .

It is not a de Polignac number, because 4304243442321 - 2¹ = 4304243442319 is a prime.

It is a super-2 number, since 2×4304243442321² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4304243442329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239124635676 + ... + 239124635693.

It is an arithmetic number, because the mean of its divisors is an integer number (1036206754635).

Almost surely, 2^{4304243442321} is an apocalyptic number.

It is an amenable number.

4304243442321 is a deficient number, since it is larger than the sum of its proper divisors (1912997085489).

4304243442321 is a wasteful number, since it uses less digits than its factorization.

4304243442321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478249271375 (or 478249271372 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 4304243442321 its reverse (1232443424034), we get a palindrome (5536686866355).

The spelling of 4304243442321 in words is "four trillion, three hundred four billion, two hundred forty-three million, four hundred forty-two thousand, three hundred twenty-one".