19842379106 has 16 divisors (see below), whose sum is σ = 33261284448. Its totient is φ = 8799280800.

The previous prime is 19842379093. The next prime is 19842379153. The reversal of 19842379106 is 60197324891.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10998200 + ... + 11000003.

It is an arithmetic number, because the mean of its divisors is an integer number (2078830278).

Almost surely, 2^19842379106 is an apocalyptic number.

19842379106 is a deficient number, since it is larger than the sum of its proper divisors (13418905342).

19842379106 is a wasteful number, since it uses less digits than its factorization.

19842379106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21998257.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 19842379106 in words is "nineteen billion, eight hundred forty-two million, three hundred seventy-nine thousand, one hundred six".