19829044608 has 64 divisors (see below), whose sum is σ = 52686443520. Its totient is φ = 6607731200.

The previous prime is 19829044607. The next prime is 19829044619. The reversal of 19829044608 is 80644092891.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19829044607) 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 7 ways as a sum of consecutive naturals, for example, 1948333 + ... + 1958483.

It is an arithmetic number, because the mean of its divisors is an integer number (823225680).

Almost surely, 2^19829044608 is an apocalyptic number.

It is an amenable number.

19829044608 is an abundant number, since it is smaller than the sum of its proper divisors (32857398912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19829044608 is a wasteful number, since it uses less digits than its factorization.

19829044608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15255 (or 15243 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 19829044608 in words is "nineteen billion, eight hundred twenty-nine million, forty-four thousand, six hundred eight".