19823482393 has 24 divisors (see below), whose sum is σ = 23863392000. Its totient is φ = 16353062880.

The previous prime is 19823482391. The next prime is 19823482423. The reversal of 19823482393 is 39328432891.

It is not a de Polignac number, because 19823482393 - 2¹ = 19823482391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19823482393.

It is not an unprimeable number, because it can be changed into a prime (19823482391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13993 + ... + 199606.

It is an arithmetic number, because the mean of its divisors is an integer number (994308000).

Almost surely, 2^19823482393 is an apocalyptic number.

19823482393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19823482393 is a deficient number, since it is larger than the sum of its proper divisors (4039909607).

19823482393 is a wasteful number, since it uses less digits than its factorization.

19823482393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213693 (or 213682 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The spelling of 19823482393 in words is "nineteen billion, eight hundred twenty-three million, four hundred eighty-two thousand, three hundred ninety-three".