19384616393 has 8 divisors (see below), whose sum is σ = 19516588416. Its totient is φ = 19252692000.

The previous prime is 19384616371. The next prime is 19384616437. The reversal of 19384616393 is 39361648391.

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

It is a cyclic number.

It is not a de Polignac number, because 19384616393 - 2¹⁴ = 19384600009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19384616893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264253 + ... + 1279493.

It is an arithmetic number, because the mean of its divisors is an integer number (2439573552).

Almost surely, 2^19384616393 is an apocalyptic number.

It is an amenable number.

19384616393 is a deficient number, since it is larger than the sum of its proper divisors (131972023).

19384616393 is a wasteful number, since it uses less digits than its factorization.

19384616393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23815.

The product of its digits is 2519424, while the sum is 53.

The spelling of 19384616393 in words is "nineteen billion, three hundred eighty-four million, six hundred sixteen thousand, three hundred ninety-three".