4143441041421 has 32 divisors (see below), whose sum is σ = 6142655399040. Its totient is φ = 2462945721600.

The previous prime is 4143441041393. The next prime is 4143441041461. The reversal of 4143441041421 is 1241401443414.

It is not a de Polignac number, because 4143441041421 - 2¹⁵ = 4143441008653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143441041461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4680651 + ... + 5495031.

It is an arithmetic number, because the mean of its divisors is an integer number (191957981220).

Almost surely, 2^{4143441041421} is an apocalyptic number.

It is an amenable number.

4143441041421 is a deficient number, since it is larger than the sum of its proper divisors (1999214357619).

4143441041421 is a wasteful number, since it uses less digits than its factorization.

4143441041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817357.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 4143441041421 its reverse (1241401443414), we get a palindrome (5384842484835).

The spelling of 4143441041421 in words is "four trillion, one hundred forty-three billion, four hundred forty-one million, forty-one thousand, four hundred twenty-one".