204044433243411 has 4 divisors (see below), whose sum is σ = 272059244324552. Its totient is φ = 136029622162272.

The previous prime is 204044433243407. The next prime is 204044433243433. The reversal of 204044433243411 is 114342334440402.

It is a happy number.

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

It is not a de Polignac number, because 204044433243411 - 2² = 204044433243407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204044433243411.

It is not an unprimeable number, because it can be changed into a prime (204044433243461) 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, 34007405540566 + ... + 34007405540571.

It is an arithmetic number, because the mean of its divisors is an integer number (68014811081138).

Almost surely, 2^{204044433243411} is an apocalyptic number.

204044433243411 is a deficient number, since it is larger than the sum of its proper divisors (68014811081141).

204044433243411 is an equidigital number, since it uses as much as digits as its factorization.

204044433243411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68014811081140.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 204044433243411 its reverse (114342334440402), we get a palindrome (318386767683813).

The spelling of 204044433243411 in words is "two hundred four trillion, forty-four billion, four hundred thirty-three million, two hundred forty-three thousand, four hundred eleven".