4021444402213 has 16 divisors (see below), whose sum is σ = 4661295600384. Its totient is φ = 3397946065920.

The previous prime is 4021444402189. The next prime is 4021444402223. The reversal of 4021444402213 is 3122044441204.

It is a happy number.

It is not a de Polignac number, because 4021444402213 - 2⁵ = 4021444402181 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 (4021444402223) 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 15 ways as a sum of consecutive naturals, for example, 3174981 + ... + 4257157.

It is an arithmetic number, because the mean of its divisors is an integer number (291330975024).

Almost surely, 2^{4021444402213} is an apocalyptic number.

It is an amenable number.

4021444402213 is a deficient number, since it is larger than the sum of its proper divisors (639851198171).

4021444402213 is a wasteful number, since it uses less digits than its factorization.

4021444402213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089732.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 4021444402213 its reverse (3122044441204), we get a palindrome (7143488843417).

The spelling of 4021444402213 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred two thousand, two hundred thirteen".