19838871308 has 12 divisors (see below), whose sum is σ = 34793338272. Its totient is φ = 9897917520.

The previous prime is 19838871301. The next prime is 19838871323. The reversal of 19838871308 is 80317883891.

It is not an unprimeable number, because it can be changed into a prime (19838871301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377460 + ... + 5381147.

It is an arithmetic number, because the mean of its divisors is an integer number (2899444856).

Almost surely, 2^19838871308 is an apocalyptic number.

It is an amenable number.

19838871308 is a deficient number, since it is larger than the sum of its proper divisors (14954466964).

19838871308 is a wasteful number, since it uses less digits than its factorization.

19838871308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759072 (or 10759070 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 19838871308 in words is "nineteen billion, eight hundred thirty-eight million, eight hundred seventy-one thousand, three hundred eight".