204044204004443 has 4 divisors (see below), whose sum is σ = 222593677095768. Its totient is φ = 185494730913120.

The previous prime is 204044204004419. The next prime is 204044204004461. The reversal of 204044204004443 is 344400402440402.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204044204004443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204044204004943) 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, 9274736545646 + ... + 9274736545667.

It is an arithmetic number, because the mean of its divisors is an integer number (55648419273942).

Almost surely, 2^{204044204004443} is an apocalyptic number.

204044204004443 is a deficient number, since it is larger than the sum of its proper divisors (18549473091325).

204044204004443 is a wasteful number, since it uses less digits than its factorization.

204044204004443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18549473091324.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 204044204004443 its reverse (344400402440402), we get a palindrome (548444606444845).

The spelling of 204044204004443 in words is "two hundred four trillion, forty-four billion, two hundred four million, four thousand, four hundred forty-three".