201044441243 has 4 divisors (see below), whose sum is σ = 201046656360. Its totient is φ = 201042226128.

The previous prime is 201044441233. The next prime is 201044441321. The reversal of 201044441243 is 342144440102.

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

It is a cyclic number.

It is not a de Polignac number, because 201044441243 - 2¹⁴ = 201044424859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201044441233) 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 3 ways as a sum of consecutive naturals, for example, 965330 + ... + 1154967.

It is an arithmetic number, because the mean of its divisors is an integer number (50261664090).

Almost surely, 2^201044441243 is an apocalyptic number.

201044441243 is a deficient number, since it is larger than the sum of its proper divisors (2215117).

201044441243 is an equidigital number, since it uses as much as digits as its factorization.

201044441243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215116.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 201044441243 its reverse (342144440102), we get a palindrome (543188881345).

The spelling of 201044441243 in words is "two hundred one billion, forty-four million, four hundred forty-one thousand, two hundred forty-three".