19823412679 has 8 divisors (see below), whose sum is σ = 22658969088. Its totient is φ = 16988766360.

The previous prime is 19823412667. The next prime is 19823412689. The reversal of 19823412679 is 97621432891.

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 19823412679 - 2¹⁹ = 19822888391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19823412619) 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 7 ways as a sum of consecutive naturals, for example, 180187 + ... + 268540.

It is an arithmetic number, because the mean of its divisors is an integer number (2832371136).

Almost surely, 2^19823412679 is an apocalyptic number.

19823412679 is a deficient number, since it is larger than the sum of its proper divisors (2835556409).

19823412679 is an equidigital number, since it uses as much as digits as its factorization.

19823412679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455045.

The product of its digits is 1306368, while the sum is 52.

The spelling of 19823412679 in words is "nineteen billion, eight hundred twenty-three million, four hundred twelve thousand, six hundred seventy-nine".