4342243341321 has 12 divisors (see below), whose sum is σ = 6272373912948. Its totient is φ = 2894715982464.

The previous prime is 4342243341311. The next prime is 4342243341323. The reversal of 4342243341321 is 1231433422434.

4342243341321 is a `hidden beast` number, since 4 + 3 + 42 + 243 + 341 + 32 + 1 = 666.

4342243341321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2593001678400 + 1749241662921 = 1610280^2 + 1322589^2 .

It is not a de Polignac number, because 4342243341321 - 2³³ = 4333653406729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4342243341323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9165420 + ... + 9627533.

It is an arithmetic number, because the mean of its divisors is an integer number (522697826079).

Almost surely, 2^{4342243341321} is an apocalyptic number.

It is an amenable number.

4342243341321 is a deficient number, since it is larger than the sum of its proper divisors (1930130571627).

4342243341321 is a wasteful number, since it uses less digits than its factorization.

4342243341321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18818632 (or 18818629 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 4342243341321 its reverse (1231433422434), we get a palindrome (5573676763755).

The spelling of 4342243341321 in words is "four trillion, three hundred forty-two billion, two hundred forty-three million, three hundred forty-one thousand, three hundred twenty-one".