204388852229 has 2 divisors, whose sum is σ = 204388852230. Its totient is φ = 204388852228.

The previous prime is 204388852127. The next prime is 204388852249. The reversal of 204388852229 is 922258883402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190109080225 + 14279772004 = 436015^2 + 119498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204388852229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204388852249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102194426114 + 102194426115.

It is an arithmetic number, because the mean of its divisors is an integer number (102194426115).

Almost surely, 2^204388852229 is an apocalyptic number.

It is an amenable number.

204388852229 is a deficient number, since it is larger than the sum of its proper divisors (1).

204388852229 is an equidigital number, since it uses as much as digits as its factorization.

204388852229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 204388852229 in words is "two hundred four billion, three hundred eighty-eight million, eight hundred fifty-two thousand, two hundred twenty-nine".