328391385263 has 2 divisors, whose sum is σ = 328391385264. Its totient is φ = 328391385262.

The previous prime is 328391385251. The next prime is 328391385277. The reversal of 328391385263 is 362583193823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328391385263 - 2³⁶ = 259671908527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328391385863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164195692631 + 164195692632.

It is an arithmetic number, because the mean of its divisors is an integer number (164195692632).

Almost surely, 2^328391385263 is an apocalyptic number.

328391385263 is a deficient number, since it is larger than the sum of its proper divisors (1).

328391385263 is an equidigital number, since it uses as much as digits as its factorization.

328391385263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 53.

The spelling of 328391385263 in words is "three hundred twenty-eight billion, three hundred ninety-one million, three hundred eighty-five thousand, two hundred sixty-three".