327638045473 has 16 divisors (see below), whose sum is σ = 346556004480. Its totient is φ = 309306686976.

The previous prime is 327638045459. The next prime is 327638045491. The reversal of 327638045473 is 374540836723.

It is a cyclic number.

It is not a de Polignac number, because 327638045473 - 2⁹ = 327638044961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 327638045473.

It is not an unprimeable number, because it can be changed into a prime (327638045443) 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 15 ways as a sum of consecutive naturals, for example, 468165 + ... + 935122.

It is an arithmetic number, because the mean of its divisors is an integer number (21659750280).

Almost surely, 2^327638045473 is an apocalyptic number.

It is an amenable number.

327638045473 is a deficient number, since it is larger than the sum of its proper divisors (18917959007).

327638045473 is a wasteful number, since it uses less digits than its factorization.

327638045473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403496.

The product of its (nonzero) digits is 10160640, while the sum is 52.

The spelling of 327638045473 in words is "three hundred twenty-seven billion, six hundred thirty-eight million, forty-five thousand, four hundred seventy-three".