258369330209 has 2 divisors, whose sum is σ = 258369330210. Its totient is φ = 258369330208.

The previous prime is 258369330199. The next prime is 258369330259. The reversal of 258369330209 is 902033963852.

It is an a-pointer prime, because the next prime (258369330259) can be obtained adding 258369330209 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145088619025 + 113280711184 = 380905^2 + 336572^2 .

It is a cyclic number.

It is not a de Polignac number, because 258369330209 - 2¹² = 258369326113 is a prime.

It is not a weakly prime, because it can be changed into another prime (258369330259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129184665104 + 129184665105.

It is an arithmetic number, because the mean of its divisors is an integer number (129184665105).

Almost surely, 2^258369330209 is an apocalyptic number.

It is an amenable number.

258369330209 is a deficient number, since it is larger than the sum of its proper divisors (1).

258369330209 is an equidigital number, since it uses as much as digits as its factorization.

258369330209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 258369330209 in words is "two hundred fifty-eight billion, three hundred sixty-nine million, three hundred thirty thousand, two hundred nine".