204300323030989 has 2 divisors, whose sum is σ = 204300323030990. Its totient is φ = 204300323030988.

The previous prime is 204300323030981. The next prime is 204300323031023. The reversal of 204300323030989 is 989030323003402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198786256308964 + 5514066722025 = 14099158^2 + 2348205^2 .

It is a cyclic number.

It is not a de Polignac number, because 204300323030989 - 2³ = 204300323030981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204300323030981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102150161515494 + 102150161515495.

It is an arithmetic number, because the mean of its divisors is an integer number (102150161515495).

Almost surely, 2^{204300323030989} is an apocalyptic number.

It is an amenable number.

204300323030989 is a deficient number, since it is larger than the sum of its proper divisors (1).

204300323030989 is an equidigital number, since it uses as much as digits as its factorization.

204300323030989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 204300323030989 in words is "two hundred four trillion, three hundred billion, three hundred twenty-three million, thirty thousand, nine hundred eighty-nine".