4021442203243 has 8 divisors (see below), whose sum is σ = 4121517201408. Its totient is φ = 3921971888424.

The previous prime is 4021442203241. The next prime is 4021442203249. The reversal of 4021442203243 is 3423022441204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4021442203243 - 2¹ = 4021442203241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021442203241) 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, 151157371 + ... + 151183972.

It is an arithmetic number, because the mean of its divisors is an integer number (515189650176).

Almost surely, 2^{4021442203243} is an apocalyptic number.

4021442203243 is a deficient number, since it is larger than the sum of its proper divisors (100074998165).

4021442203243 is a wasteful number, since it uses less digits than its factorization.

4021442203243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302341673.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 4021442203243 its reverse (3423022441204), we get a palindrome (7444464644447).

The spelling of 4021442203243 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred three thousand, two hundred forty-three".