328204026289 has 2 divisors, whose sum is σ = 328204026290. Its totient is φ = 328204026288.

The previous prime is 328204026229. The next prime is 328204026301. The reversal of 328204026289 is 982620402823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297697910689 + 30506115600 = 545617^2 + 174660^2 .

It is a cyclic number.

It is not a de Polignac number, because 328204026289 - 2³³ = 319614091697 is a prime.

It is a super-2 number, since 2×328204026289² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (328204026229) 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, 164102013144 + 164102013145.

It is an arithmetic number, because the mean of its divisors is an integer number (164102013145).

Almost surely, 2^328204026289 is an apocalyptic number.

It is an amenable number.

328204026289 is a deficient number, since it is larger than the sum of its proper divisors (1).

328204026289 is an equidigital number, since it uses as much as digits as its factorization.

328204026289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 328204026289 in words is "three hundred twenty-eight billion, two hundred four million, twenty-six thousand, two hundred eighty-nine".