4021442441293 has 4 divisors (see below), whose sum is σ = 4052140475328. Its totient is φ = 3990744407260.

The previous prime is 4021442441287. The next prime is 4021442441297. The reversal of 4021442441293 is 3921442441204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021442441293 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 (4021442441297) 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 3 ways as a sum of consecutive naturals, for example, 15349016821 + ... + 15349017082.

It is an arithmetic number, because the mean of its divisors is an integer number (1013035118832).

Almost surely, 2^{4021442441293} is an apocalyptic number.

It is an amenable number.

4021442441293 is a deficient number, since it is larger than the sum of its proper divisors (30698034035).

4021442441293 is a wasteful number, since it uses less digits than its factorization.

4021442441293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30698034034.

The product of its (nonzero) digits is 221184, while the sum is 40.

Adding to 4021442441293 its reverse (3921442441204), we get a palindrome (7942884882497).

The spelling of 4021442441293 in words is "four trillion, twenty-one billion, four hundred forty-two million, four hundred forty-one thousand, two hundred ninety-three".