200434544443 has 12 divisors (see below), whose sum is σ = 236352508680. Its totient is φ = 169447596192.

The previous prime is 200434544441. The next prime is 200434544449. The reversal of 200434544443 is 344445434002.

It is not a de Polignac number, because 200434544443 - 2¹ = 200434544441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200434544441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28013553 + ... + 28020706.

It is an arithmetic number, because the mean of its divisors is an integer number (19696042390).

Almost surely, 2^200434544443 is an apocalyptic number.

200434544443 is a deficient number, since it is larger than the sum of its proper divisors (35917964237).

200434544443 is an equidigital number, since it uses as much as digits as its factorization.

200434544443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56034346 (or 56034339 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 200434544443 its reverse (344445434002), we get a palindrome (544879978445).

The spelling of 200434544443 in words is "two hundred billion, four hundred thirty-four million, five hundred forty-four thousand, four hundred forty-three".