4021144343413 has 16 divisors (see below), whose sum is σ = 4182546743280. Its totient is φ = 3862649894400.

The previous prime is 4021144343387. The next prime is 4021144343443. The reversal of 4021144343413 is 3143434411204.

It can be written as a sum of positive squares in 8 ways, for example, as 15374264049 + 4005770079364 = 123993^2 + 2001442^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021144343413 - 2¹⁷ = 4021144212341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021144343443) 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 15 ways as a sum of consecutive naturals, for example, 1252983 + ... + 3100363.

It is an arithmetic number, because the mean of its divisors is an integer number (261409171455).

Almost surely, 2^{4021144343413} is an apocalyptic number.

It is an amenable number.

4021144343413 is a deficient number, since it is larger than the sum of its proper divisors (161402399867).

4021144343413 is a wasteful number, since it uses less digits than its factorization.

4021144343413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848168.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 4021144343413 its reverse (3143434411204), we get a palindrome (7164578754617).

The spelling of 4021144343413 in words is "four trillion, twenty-one billion, one hundred forty-four million, three hundred forty-three thousand, four hundred thirteen".