16824443493 has 32 divisors (see below), whose sum is σ = 27066678912. Its totient is φ = 9157881600.

The previous prime is 16824443459. The next prime is 16824443497. The reversal of 16824443493 is 39434442861.

16824443493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16824443493 - 2¹⁰ = 16824442469 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16824443497) 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 31 ways as a sum of consecutive naturals, for example, 514098 + ... + 545843.

It is an arithmetic number, because the mean of its divisors is an integer number (845833716).

Almost surely, 2^16824443493 is an apocalyptic number.

16824443493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16824443493 is a deficient number, since it is larger than the sum of its proper divisors (10242235419).

16824443493 is a wasteful number, since it uses less digits than its factorization.

16824443493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060005.

The product of its digits is 1990656, while the sum is 48.

The spelling of 16824443493 in words is "sixteen billion, eight hundred twenty-four million, four hundred forty-three thousand, four hundred ninety-three".