327321710491 has 4 divisors (see below), whose sum is σ = 341553089232. Its totient is φ = 313090331752.

The previous prime is 327321710483. The next prime is 327321710501. The reversal of 327321710491 is 194017123723.

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

It is a cyclic number.

It is not a de Polignac number, because 327321710491 - 2³ = 327321710483 is a prime.

It is a super-2 number, since 2×327321710491² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327321710291) 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 in 3 ways as a sum of consecutive naturals, for example, 7115689336 + ... + 7115689381.

It is an arithmetic number, because the mean of its divisors is an integer number (85388272308).

Almost surely, 2^327321710491 is an apocalyptic number.

327321710491 is a deficient number, since it is larger than the sum of its proper divisors (14231378741).

327321710491 is a wasteful number, since it uses less digits than its factorization.

327321710491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14231378740.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 327321710491 in words is "three hundred twenty-seven billion, three hundred twenty-one million, seven hundred ten thousand, four hundred ninety-one".