19831996908 has 54 divisors (see below), whose sum is σ = 51999092236. Its totient is φ = 6609202128.

The previous prime is 19831996903. The next prime is 19831996937. The reversal of 19831996908 is 80969913891.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (54).

It is not an unprimeable number, because it can be changed into a prime (19831996903) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4388266 + ... + 4392782.

Almost surely, 2^19831996908 is an apocalyptic number.

19831996908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19831996908 is an abundant number, since it is smaller than the sum of its proper divisors (32167095328).

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

19831996908 is an frugal number, since it uses more digits than its factorization.

19831996908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 63.

The spelling of 19831996908 in words is "nineteen billion, eight hundred thirty-one million, nine hundred ninety-six thousand, nine hundred eight".