327638045497 has 4 divisors (see below), whose sum is σ = 374443480576. Its totient is φ = 280832610420.

The previous prime is 327638045491. The next prime is 327638045503. The reversal of 327638045497 is 794540836723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (327638045491) and next prime (327638045503).

It is a cyclic number.

It is not a de Polignac number, because 327638045497 - 2¹⁵ = 327638012729 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 23402717529 + ... + 23402717542.

It is an arithmetic number, because the mean of its divisors is an integer number (93610870144).

Almost surely, 2^327638045497 is an apocalyptic number.

It is an amenable number.

327638045497 is a deficient number, since it is larger than the sum of its proper divisors (46805435079).

327638045497 is an equidigital number, since it uses as much as digits as its factorization.

327638045497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46805435078.

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 327638045497 in words is "three hundred twenty-seven billion, six hundred thirty-eight million, forty-five thousand, four hundred ninety-seven".