204333342413 has 4 divisors (see below), whose sum is σ = 204370847100. Its totient is φ = 204295837728.

The previous prime is 204333342403. The next prime is 204333342449. The reversal of 204333342413 is 314243333402.

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 10308950089 + 194024392324 = 101533^2 + 440482^2 .

It is a cyclic number.

It is not a de Polignac number, because 204333342413 - 2⁴ = 204333342397 is a prime.

It is a super-2 number, since 2×204333342413² (a number of 23 digits) contains 22 as substring.

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 204333342413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204333342403) 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, 18744170 + ... + 18755067.

It is an arithmetic number, because the mean of its divisors is an integer number (51092711775).

Almost surely, 2^204333342413 is an apocalyptic number.

It is an amenable number.

204333342413 is a deficient number, since it is larger than the sum of its proper divisors (37504687).

204333342413 is an equidigital number, since it uses as much as digits as its factorization.

204333342413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37504686.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 204333342413 its reverse (314243333402), we get a palindrome (518576675815).

The spelling of 204333342413 in words is "two hundred four billion, three hundred thirty-three million, three hundred forty-two thousand, four hundred thirteen".