19345423318 has 8 divisors (see below), whose sum is σ = 31250299248. Its totient is φ = 8928656904.

The previous prime is 19345423291. The next prime is 19345423333. The reversal of 19345423318 is 81332454391.

19345423318 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 372027346 + ... + 372027397.

It is an arithmetic number, because the mean of its divisors is an integer number (3906287406).

Almost surely, 2^19345423318 is an apocalyptic number.

19345423318 is a deficient number, since it is larger than the sum of its proper divisors (11904875930).

19345423318 is a wasteful number, since it uses less digits than its factorization.

19345423318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744054758.

The product of its digits is 311040, while the sum is 43.

The spelling of 19345423318 in words is "nineteen billion, three hundred forty-five million, four hundred twenty-three thousand, three hundred eighteen".