327638045495 has 16 divisors (see below), whose sum is σ = 400666292640.
Its totient is φ = 257112046464.
The previous prime is 327638045491. The next prime is 327638045503. The reversal of 327638045495 is 594540836723.
It is not a de Polignac number, because 327638045495 - 22 = 327638045491 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 327638045495.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (327638045491) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1188896 + ... + 1438314.
It is an arithmetic number, because the mean of its divisors is an integer number (25041643290).
Almost surely, 2327638045495 is an apocalyptic number.
327638045495 is a deficient number, since it is larger than the sum of its proper divisors (73028247145).
327638045495 is a wasteful number, since it uses less digits than its factorization.
327638045495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254434.
The product of its (nonzero) digits is 21772800, while the sum is 56.
The spelling of 327638045495 in words is "three hundred twenty-seven billion, six hundred thirty-eight million, forty-five thousand, four hundred ninety-five".