19824928406 has 8 divisors (see below), whose sum is σ = 29794471704. Its totient is φ = 9893437840.

The previous prime is 19824928381. The next prime is 19824928423. The reversal of 19824928406 is 60482942891.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9511880 + ... + 9513963.

It is an arithmetic number, because the mean of its divisors is an integer number (3724308963).

Almost surely, 2^19824928406 is an apocalyptic number.

19824928406 is a deficient number, since it is larger than the sum of its proper divisors (9969543298).

19824928406 is a wasteful number, since it uses less digits than its factorization.

19824928406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19026366.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 19824928406 in words is "nineteen billion, eight hundred twenty-four million, nine hundred twenty-eight thousand, four hundred six".