443021242243 has 18 divisors (see below), whose sum is σ = 465553231836. Its totient is φ = 421545053952.

The previous prime is 443021242193. The next prime is 443021242259. The reversal of 443021242243 is 342242120344.

It is not a de Polignac number, because 443021242243 - 2³⁷ = 305582288771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443021242943) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19693480 + ... + 19715962.

Almost surely, 2^443021242243 is an apocalyptic number.

443021242243 is a deficient number, since it is larger than the sum of its proper divisors (22531989593).

443021242243 is an equidigital number, since it uses as much as digits as its factorization.

443021242243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22915 (or 22699 counting only the distinct ones).

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

Adding to 443021242243 its reverse (342242120344), we get a palindrome (785263362587).

The spelling of 443021242243 in words is "four hundred forty-three billion, twenty-one million, two hundred forty-two thousand, two hundred forty-three".