328254340993 has 2 divisors, whose sum is σ = 328254340994. Its totient is φ = 328254340992.

The previous prime is 328254340949. The next prime is 328254341027. The reversal of 328254340993 is 399043452823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215688722929 + 112565618064 = 464423^2 + 335508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328254340993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328254340993.

It is not a weakly prime, because it can be changed into another prime (328254340913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164127170496 + 164127170497.

It is an arithmetic number, because the mean of its divisors is an integer number (164127170497).

Almost surely, 2^328254340993 is an apocalyptic number.

It is an amenable number.

328254340993 is a deficient number, since it is larger than the sum of its proper divisors (1).

328254340993 is an equidigital number, since it uses as much as digits as its factorization.

328254340993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 328254340993 in words is "three hundred twenty-eight billion, two hundred fifty-four million, three hundred forty thousand, nine hundred ninety-three".