4021433443441 has 8 divisors (see below), whose sum is σ = 4121069527520. Its totient is φ = 3922075285632.

The previous prime is 4021433443387. The next prime is 4021433443451. The reversal of 4021433443441 is 1443443341204.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021433443441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4021433443441.

It is not an unprimeable number, because it can be changed into a prime (4021433443451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69452271 + ... + 69510148.

It is an arithmetic number, because the mean of its divisors is an integer number (515133690940).

Almost surely, 2^{4021433443441} is an apocalyptic number.

It is an amenable number.

4021433443441 is a deficient number, since it is larger than the sum of its proper divisors (99636084079).

4021433443441 is a wasteful number, since it uses less digits than its factorization.

4021433443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138963135.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 4021433443441 its reverse (1443443341204), we get a palindrome (5464876784645).

The spelling of 4021433443441 in words is "four trillion, twenty-one billion, four hundred thirty-three million, four hundred forty-three thousand, four hundred forty-one".