4143341421 has 12 divisors (see below), whose sum is σ = 6005256348. Its totient is φ = 2752798464.

The previous prime is 4143341413. The next prime is 4143341443. The reversal of 4143341421 is 1241433414.

It can be written as a sum of positive squares in 2 ways, for example, as 2584197225 + 1559144196 = 50835^2 + 39486^2 .

It is not a de Polignac number, because 4143341421 - 2³ = 4143341413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143341471) 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 11 ways as a sum of consecutive naturals, for example, 782980 + ... + 788253.

It is an arithmetic number, because the mean of its divisors is an integer number (500438029).

Almost surely, 2^4143341421 is an apocalyptic number.

It is an amenable number.

4143341421 is a deficient number, since it is larger than the sum of its proper divisors (1861914927).

4143341421 is a wasteful number, since it uses less digits than its factorization.

4143341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571532 (or 1571529 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 4143341421 is about 64368.7922909852. The cubic root of 4143341421 is about 1606.1406501364.

Adding to 4143341421 its reverse (1241433414), we get a palindrome (5384774835).

The spelling of 4143341421 in words is "four billion, one hundred forty-three million, three hundred forty-one thousand, four hundred twenty-one".