204504201259 has 2 divisors, whose sum is σ = 204504201260. Its totient is φ = 204504201258.

The previous prime is 204504201221. The next prime is 204504201271. The reversal of 204504201259 is 952102405402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204504201259 is a prime.

It is not a weakly prime, because it can be changed into another prime (204504201359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102252100629 + 102252100630.

It is an arithmetic number, because the mean of its divisors is an integer number (102252100630).

Almost surely, 2^204504201259 is an apocalyptic number.

204504201259 is a deficient number, since it is larger than the sum of its proper divisors (1).

204504201259 is an equidigital number, since it uses as much as digits as its factorization.

204504201259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 204504201259 in words is "two hundred four billion, five hundred four million, two hundred one thousand, two hundred fifty-nine".