328401305803 has 4 divisors (see below), whose sum is σ = 328403095888. Its totient is φ = 328399515720.

The previous prime is 328401305797. The next prime is 328401305821. The reversal of 328401305803 is 308503104823.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328401305803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328401305833) 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, 583776 + ... + 998797.

It is an arithmetic number, because the mean of its divisors is an integer number (82100773972).

Almost surely, 2^328401305803 is an apocalyptic number.

328401305803 is a deficient number, since it is larger than the sum of its proper divisors (1790085).

328401305803 is a wasteful number, since it uses less digits than its factorization.

328401305803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790084.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 328401305803 in words is "three hundred twenty-eight billion, four hundred one million, three hundred five thousand, eight hundred three".