4421024216643 has 4 divisors (see below), whose sum is σ = 5894698955528. Its totient is φ = 2947349477760.

The previous prime is 4421024216639. The next prime is 4421024216657. The reversal of 4421024216643 is 3466124201244.

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

It is not a de Polignac number, because 4421024216643 - 2² = 4421024216639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421024216743) 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, 736837369438 + ... + 736837369443.

It is an arithmetic number, because the mean of its divisors is an integer number (1473674738882).

Almost surely, 2^{4421024216643} is an apocalyptic number.

4421024216643 is a deficient number, since it is larger than the sum of its proper divisors (1473674738885).

4421024216643 is a wasteful number, since it uses less digits than its factorization.

4421024216643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473674738884.

The product of its (nonzero) digits is 221184, while the sum is 39.

Adding to 4421024216643 its reverse (3466124201244), we get a palindrome (7887148417887).

The spelling of 4421024216643 in words is "four trillion, four hundred twenty-one billion, twenty-four million, two hundred sixteen thousand, six hundred forty-three".