4021444142403 has 4 divisors (see below), whose sum is σ = 5361925523208. Its totient is φ = 2680962761600.

The previous prime is 4021444142399. The next prime is 4021444142437. The reversal of 4021444142403 is 3042414441204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4021444142403 - 2² = 4021444142399 is a prime.

It is a super-2 number, since 2×4021444142403² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4021444142453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670240690398 + ... + 670240690403.

It is an arithmetic number, because the mean of its divisors is an integer number (1340481380802).

Almost surely, 2^{4021444142403} is an apocalyptic number.

4021444142403 is a deficient number, since it is larger than the sum of its proper divisors (1340481380805).

4021444142403 is a wasteful number, since it uses less digits than its factorization.

4021444142403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340481380804.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 4021444142403 its reverse (3042414441204), we get a palindrome (7063858583607).

The spelling of 4021444142403 in words is "four trillion, twenty-one billion, four hundred forty-four million, one hundred forty-two thousand, four hundred three".