4342221545243 has 64 divisors (see below), whose sum is σ = 4829641749504. Its totient is φ = 3887310336000.

The previous prime is 4342221545213. The next prime is 4342221545287. The reversal of 4342221545243 is 3425451222434.

4342221545243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4342221545243 - 2¹⁴ = 4342221528859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4342221545243.

It is not an unprimeable number, because it can be changed into a prime (4342221545213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1584172853 + ... + 1584175593.

It is an arithmetic number, because the mean of its divisors is an integer number (75463152336).

Almost surely, 2^{4342221545243} is an apocalyptic number.

4342221545243 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4342221545243 is a deficient number, since it is larger than the sum of its proper divisors (487420204261).

4342221545243 is a wasteful number, since it uses less digits than its factorization.

4342221545243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236.

The product of its digits is 921600, while the sum is 41.

Adding to 4342221545243 its reverse (3425451222434), we get a palindrome (7767672767677).

The spelling of 4342221545243 in words is "four trillion, three hundred forty-two billion, two hundred twenty-one million, five hundred forty-five thousand, two hundred forty-three".