204442404013013 has 2 divisors, whose sum is σ = 204442404013014. Its totient is φ = 204442404013012.

The previous prime is 204442404012949. The next prime is 204442404013049. The reversal of 204442404013013 is 310310404244402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123912474033604 + 80529929979409 = 11131598^2 + 8973847^2 .

It is a cyclic number.

It is not a de Polignac number, because 204442404013013 - 2⁶ = 204442404012949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204442404013213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102221202006506 + 102221202006507.

It is an arithmetic number, because the mean of its divisors is an integer number (102221202006507).

Almost surely, 2^{204442404013013} is an apocalyptic number.

It is an amenable number.

204442404013013 is a deficient number, since it is larger than the sum of its proper divisors (1).

204442404013013 is an equidigital number, since it uses as much as digits as its factorization.

204442404013013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 204442404013013 its reverse (310310404244402), we get a palindrome (514752808257415).

The spelling of 204442404013013 in words is "two hundred four trillion, four hundred forty-two billion, four hundred four million, thirteen thousand, thirteen".