4144221012013 has 8 divisors (see below), whose sum is σ = 4428255589560. Its totient is φ = 3864659420160.

The previous prime is 4144221011971. The next prime is 4144221012053. The reversal of 4144221012013 is 3102101224414.

It can be written as a sum of positive squares in 4 ways, for example, as 1367875271844 + 2776345740169 = 1169562^2 + 1666237^2 .

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 4144221012013 - 2⁹ = 4144221011501 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 (4144221012053) 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 7 ways as a sum of consecutive naturals, for example, 1118244508 + ... + 1118248213.

It is an arithmetic number, because the mean of its divisors is an integer number (553531948695).

Almost surely, 2^{4144221012013} is an apocalyptic number.

It is an amenable number.

4144221012013 is a deficient number, since it is larger than the sum of its proper divisors (284034577547).

4144221012013 is a wasteful number, since it uses less digits than its factorization.

4144221012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236492847.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 4144221012013 its reverse (3102101224414), we get a palindrome (7246322236427).

The spelling of 4144221012013 in words is "four trillion, one hundred forty-four billion, two hundred twenty-one million, twelve thousand, thirteen".