19829481406 has 12 divisors (see below), whose sum is σ = 34600421808. Its totient is φ = 8498349132.

The previous prime is 19829481391. The next prime is 19829481439. The reversal of 19829481406 is 60418492891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101170726 + ... + 101170921.

It is an arithmetic number, because the mean of its divisors is an integer number (2883368484).

Almost surely, 2^19829481406 is an apocalyptic number.

19829481406 is a deficient number, since it is larger than the sum of its proper divisors (14770940402).

19829481406 is a wasteful number, since it uses less digits than its factorization.

19829481406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202341663 (or 202341656 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 19829481406 in words is "nineteen billion, eight hundred twenty-nine million, four hundred eighty-one thousand, four hundred six".