328466248321 has 2 divisors, whose sum is σ = 328466248322. Its totient is φ = 328466248320.

The previous prime is 328466248283. The next prime is 328466248343. The reversal of 328466248321 is 123842664823.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196922937600 + 131543310721 = 443760^2 + 362689^2 .

It is a cyclic number.

It is not a de Polignac number, because 328466248321 - 2³⁵ = 294106509953 is a prime.

It is not a weakly prime, because it can be changed into another prime (328466248381) 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, 164233124160 + 164233124161.

It is an arithmetic number, because the mean of its divisors is an integer number (164233124161).

Almost surely, 2^328466248321 is an apocalyptic number.

It is an amenable number.

328466248321 is a deficient number, since it is larger than the sum of its proper divisors (1).

328466248321 is an equidigital number, since it uses as much as digits as its factorization.

328466248321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2654208, while the sum is 49.

The spelling of 328466248321 in words is "three hundred twenty-eight billion, four hundred sixty-six million, two hundred forty-eight thousand, three hundred twenty-one".