4213421144444 has 24 divisors (see below), whose sum is σ = 7382085984000. Its totient is φ = 2104254687920.

The previous prime is 4213421144399. The next prime is 4213421144447. The reversal of 4213421144444 is 4444411243124.

It is a junction number, because it is equal to n+sod(n) for n = 4213421144398 and 4213421144407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213421144447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17682407 + ... + 17919105.

It is an arithmetic number, because the mean of its divisors is an integer number (307586916000).

Almost surely, 2^{4213421144444} is an apocalyptic number.

It is an amenable number.

4213421144444 is a deficient number, since it is larger than the sum of its proper divisors (3168664839556).

4213421144444 is a wasteful number, since it uses less digits than its factorization.

4213421144444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241873 (or 241871 counting only the distinct ones).

The product of its digits is 196608, while the sum is 38.

Adding to 4213421144444 its reverse (4444411243124), we get a palindrome (8657832387568).

The spelling of 4213421144444 in words is "four trillion, two hundred thirteen billion, four hundred twenty-one million, one hundred forty-four thousand, four hundred forty-four".