204422424413 has 4 divisors (see below), whose sum is σ = 205299774108. Its totient is φ = 203545074720.

The previous prime is 204422424361. The next prime is 204422424421. The reversal of 204422424413 is 314424224402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49774502404 + 154647922009 = 223102^2 + 393253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204422424413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 204422424413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204422424433) 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, 438674498 + ... + 438674963.

It is an arithmetic number, because the mean of its divisors is an integer number (51324943527).

Almost surely, 2^204422424413 is an apocalyptic number.

It is an amenable number.

204422424413 is a deficient number, since it is larger than the sum of its proper divisors (877349695).

204422424413 is an equidigital number, since it uses as much as digits as its factorization.

204422424413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877349694.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 204422424413 its reverse (314424224402), we get a palindrome (518846648815).

The spelling of 204422424413 in words is "two hundred four billion, four hundred twenty-two million, four hundred twenty-four thousand, four hundred thirteen".