19483297988 has 48 divisors (see below), whose sum is σ = 43311106944. Its totient is φ = 7447664640.

The previous prime is 19483297963. The next prime is 19483297997. The reversal of 19483297988 is 88979238491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580445 + ... + 613092.

It is an arithmetic number, because the mean of its divisors is an integer number (902314728).

Almost surely, 2^19483297988 is an apocalyptic number.

It is an amenable number.

19483297988 is an abundant number, since it is smaller than the sum of its proper divisors (23827808956).

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

19483297988 is a wasteful number, since it uses less digits than its factorization.

19483297988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193612 (or 1193610 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 68.

The spelling of 19483297988 in words is "nineteen billion, four hundred eighty-three million, two hundred ninety-seven thousand, nine hundred eighty-eight".