204013442211443 has 4 divisors (see below), whose sum is σ = 204980330563368. Its totient is φ = 203046553859520.

The previous prime is 204013442211431. The next prime is 204013442211451. The reversal of 204013442211443 is 344112244310402.

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 204013442211443 - 2¹⁸ = 204013441949299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204013442211473) 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, 483444175646 + ... + 483444176067.

It is an arithmetic number, because the mean of its divisors is an integer number (51245082640842).

Almost surely, 2^{204013442211443} is an apocalyptic number.

204013442211443 is a deficient number, since it is larger than the sum of its proper divisors (966888351925).

204013442211443 is an equidigital number, since it uses as much as digits as its factorization.

204013442211443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966888351924.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 204013442211443 its reverse (344112244310402), we get a palindrome (548125686521845).

The spelling of 204013442211443 in words is "two hundred four trillion, thirteen billion, four hundred forty-two million, two hundred eleven thousand, four hundred forty-three".