204132410557 has 2 divisors, whose sum is σ = 204132410558. Its totient is φ = 204132410556.

The previous prime is 204132410507. The next prime is 204132410561. The reversal of 204132410557 is 755014231402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176546190276 + 27586220281 = 420174^2 + 166091^2 .

It is a cyclic number.

It is not a de Polignac number, because 204132410557 - 2⁷ = 204132410429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204132410507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102066205278 + 102066205279.

It is an arithmetic number, because the mean of its divisors is an integer number (102066205279).

Almost surely, 2^204132410557 is an apocalyptic number.

It is an amenable number.

204132410557 is a deficient number, since it is larger than the sum of its proper divisors (1).

204132410557 is an equidigital number, since it uses as much as digits as its factorization.

204132410557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 204132410557 its reverse (755014231402), we get a palindrome (959146641959).

The spelling of 204132410557 in words is "two hundred four billion, one hundred thirty-two million, four hundred ten thousand, five hundred fifty-seven".