19468824808 has 16 divisors (see below), whose sum is σ = 36705729060. Its totient is φ = 9680630400.

The previous prime is 19468824799. The next prime is 19468824857. The reversal of 19468824808 is 80842886491.

It can be written as a sum of positive squares in 2 ways, for example, as 17313822724 + 2155002084 = 131582^2 + 46422^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6721213 + ... + 6724108.

Almost surely, 2^19468824808 is an apocalyptic number.

It is an amenable number.

19468824808 is a deficient number, since it is larger than the sum of its proper divisors (17236904252).

19468824808 is a wasteful number, since it uses less digits than its factorization.

19468824808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13445508 (or 13445504 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 58.

The spelling of 19468824808 in words is "nineteen billion, four hundred sixty-eight million, eight hundred twenty-four thousand, eight hundred eight".