328515828643 has 2 divisors, whose sum is σ = 328515828644. Its totient is φ = 328515828642.

The previous prime is 328515828629. The next prime is 328515828659. The reversal of 328515828643 is 346828515823.

It is a weak prime.

It is an emirp because it is prime and its reverse (346828515823) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328515828643 is a prime.

It is not a weakly prime, because it can be changed into another prime (328515825643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164257914321 + 164257914322.

It is an arithmetic number, because the mean of its divisors is an integer number (164257914322).

Almost surely, 2^328515828643 is an apocalyptic number.

328515828643 is a deficient number, since it is larger than the sum of its proper divisors (1).

328515828643 is an equidigital number, since it uses as much as digits as its factorization.

328515828643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11059200, while the sum is 55.

The spelling of 328515828643 in words is "three hundred twenty-eight billion, five hundred fifteen million, eight hundred twenty-eight thousand, six hundred forty-three".