19421358230 has 16 divisors (see below), whose sum is σ = 34963438320. Its totient is φ = 7767433632.

The previous prime is 19421358223. The next prime is 19421358239. The reversal of 19421358230 is 3285312491.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19421358239) 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, 63245 + ... + 206984.

It is an arithmetic number, because the mean of its divisors is an integer number (2185214895).

Almost surely, 2^19421358230 is an apocalyptic number.

19421358230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19421358230 is a deficient number, since it is larger than the sum of its proper divisors (15542080090).

19421358230 is a wasteful number, since it uses less digits than its factorization.

19421358230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277423.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 19421358230 in words is "nineteen billion, four hundred twenty-one million, three hundred fifty-eight thousand, two hundred thirty".