204300613897 has 2 divisors, whose sum is σ = 204300613898. Its totient is φ = 204300613896.

The previous prime is 204300613843. The next prime is 204300613939. The reversal of 204300613897 is 798316003402.

204300613897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144811452681 + 59489161216 = 380541^2 + 243904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204300613897 is a prime.

It is not a weakly prime, because it can be changed into another prime (204300683897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102150306948 + 102150306949.

It is an arithmetic number, because the mean of its divisors is an integer number (102150306949).

Almost surely, 2^204300613897 is an apocalyptic number.

It is an amenable number.

204300613897 is a deficient number, since it is larger than the sum of its proper divisors (1).

204300613897 is an equidigital number, since it uses as much as digits as its factorization.

204300613897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 204300613897 in words is "two hundred four billion, three hundred million, six hundred thirteen thousand, eight hundred ninety-seven".