204014444010421 has 4 divisors (see below), whose sum is σ = 222561211647744. Its totient is φ = 185467676373100.

The previous prime is 204014444010397. The next prime is 204014444010431. The reversal of 204014444010421 is 124010444410402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 204014444010421 - 2¹¹ = 204014444008373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204014444010431) 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, 9273383818645 + ... + 9273383818666.

It is an arithmetic number, because the mean of its divisors is an integer number (55640302911936).

Almost surely, 2^{204014444010421} is an apocalyptic number.

It is an amenable number.

204014444010421 is a deficient number, since it is larger than the sum of its proper divisors (18546767637323).

204014444010421 is a wasteful number, since it uses less digits than its factorization.

204014444010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18546767637322.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 204014444010421 its reverse (124010444410402), we get a palindrome (328024888420823).

The spelling of 204014444010421 in words is "two hundred four trillion, fourteen billion, four hundred forty-four million, ten thousand, four hundred twenty-one".