19788093231 has 8 divisors (see below), whose sum is σ = 26816651184. Its totient is φ = 12975798720.

The previous prime is 19788093203. The next prime is 19788093233. The reversal of 19788093231 is 13239088791.

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

It is not a de Polignac number, because 19788093231 - 2¹³ = 19788085039 is a prime.

It is a super-2 number, since 2×19788093231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19788093233) 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, 54065646 + ... + 54066011.

It is an arithmetic number, because the mean of its divisors is an integer number (3352081398).

Almost surely, 2^19788093231 is an apocalyptic number.

19788093231 is a deficient number, since it is larger than the sum of its proper divisors (7028557953).

19788093231 is a wasteful number, since it uses less digits than its factorization.

19788093231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108131721.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 19788093231 in words is "nineteen billion, seven hundred eighty-eight million, ninety-three thousand, two hundred thirty-one".