213442424121443 has 8 divisors (see below), whose sum is σ = 233183250883776. Its totient is φ = 193757759029800.

The previous prime is 213442424121431. The next prime is 213442424121457. The reversal of 213442424121443 is 344121424244312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213442424121443 - 2⁶ = 213442424121379 is a prime.

It is a super-2 number, since 2×213442424121443² (a number of 29 digits) contains 22 as substring.

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 213442424121443.

It is not an unprimeable number, because it can be changed into a prime (213442424121943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14040409721 + ... + 14040424922.

It is an arithmetic number, because the mean of its divisors is an integer number (29147906360472).

Almost surely, 2^{213442424121443} is an apocalyptic number.

213442424121443 is a deficient number, since it is larger than the sum of its proper divisors (19740826762333).

213442424121443 is a wasteful number, since it uses less digits than its factorization.

213442424121443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28080835345.

The product of its digits is 589824, while the sum is 41.

Adding to 213442424121443 its reverse (344121424244312), we get a palindrome (557563848365755).

The spelling of 213442424121443 in words is "two hundred thirteen trillion, four hundred forty-two billion, four hundred twenty-four million, one hundred twenty-one thousand, four hundred forty-three".