328508520038417 has 4 divisors (see below), whose sum is σ = 334706794001460. Its totient is φ = 322310246075376.

The previous prime is 328508520038401. The next prime is 328508520038423. The reversal of 328508520038417 is 714830025805823.

It is a Cunningham number, because it is equal to 18124804²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236820828552256 + 91687691486161 = 15388984^2 + 9575369^2 .

It is a cyclic number.

It is not a de Polignac number, because 328508520038417 - 2⁴ = 328508520038401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328508520038467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3099136981442 + ... + 3099136981547.

It is an arithmetic number, because the mean of its divisors is an integer number (83676698500365).

Almost surely, 2^{328508520038417} is an apocalyptic number.

It is an amenable number.

328508520038417 is a deficient number, since it is larger than the sum of its proper divisors (6198273963043).

328508520038417 is an equidigital number, since it uses as much as digits as its factorization.

328508520038417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6198273963042.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 328508520038417 in words is "three hundred twenty-eight trillion, five hundred eight billion, five hundred twenty million, thirty-eight thousand, four hundred seventeen".