19327223136371 has 4 divisors (see below), whose sum is σ = 19776693441912. Its totient is φ = 18877752830832.

The previous prime is 19327223136359. The next prime is 19327223136401. The reversal of 19327223136371 is 17363132272391.

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-19327223136371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19327223136311) 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, 224735152706 + ... + 224735152791.

It is an arithmetic number, because the mean of its divisors is an integer number (4944173360478).

Almost surely, 2^{19327223136371} is an apocalyptic number.

19327223136371 is a deficient number, since it is larger than the sum of its proper divisors (449470305541).

19327223136371 is an equidigital number, since it uses as much as digits as its factorization.

19327223136371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449470305540.

The product of its digits is 1714608, while the sum is 50.

The spelling of 19327223136371 in words is "nineteen trillion, three hundred twenty-seven billion, two hundred twenty-three million, one hundred thirty-six thousand, three hundred seventy-one".