6423118919 has 16 divisors (see below), whose sum is σ = 7490947392. Its totient is φ = 5393177088.

The previous prime is 6423118909. The next prime is 6423118921. The reversal of 6423118919 is 9198113246.

It is a cyclic number.

It is not a de Polignac number, because 6423118919 - 2⁴ = 6423118903 is a prime.

It is a super-2 number, since 2×6423118919² = 82512913295231457122, which contains 22 as substring.

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 6423118919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423118909) 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 15 ways as a sum of consecutive naturals, for example, 229007 + ... + 255519.

It is an arithmetic number, because the mean of its divisors is an integer number (468184212).

Almost surely, 2^6423118919 is an apocalyptic number.

6423118919 is a deficient number, since it is larger than the sum of its proper divisors (1067828473).

6423118919 is a wasteful number, since it uses less digits than its factorization.

6423118919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27226.

The product of its digits is 93312, while the sum is 44.

The square root of 6423118919 is about 80144.3629895453. The cubic root of 6423118919 is about 1858.8684410214.

The spelling of 6423118919 in words is "six billion, four hundred twenty-three million, one hundred eighteen thousand, nine hundred nineteen".