19368479327 has 4 divisors (see below), whose sum is σ = 19657561176. Its totient is φ = 19079397480.

The previous prime is 19368479323. The next prime is 19368479399. The reversal of 19368479327 is 72397486391.

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 19368479327 - 2² = 19368479323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19368479323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144540824 + ... + 144540957.

It is an arithmetic number, because the mean of its divisors is an integer number (4914390294).

Almost surely, 2^19368479327 is an apocalyptic number.

19368479327 is a deficient number, since it is larger than the sum of its proper divisors (289081849).

19368479327 is an equidigital number, since it uses as much as digits as its factorization.

19368479327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289081848.

The product of its digits is 13716864, while the sum is 59.

The spelling of 19368479327 in words is "nineteen billion, three hundred sixty-eight million, four hundred seventy-nine thousand, three hundred twenty-seven".