19379891103 has 32 divisors (see below), whose sum is σ = 28094169600. Its totient is φ = 11846034816.

The previous prime is 19379891077. The next prime is 19379891107. The reversal of 19379891103 is 30119897391.

It is not a de Polignac number, because 19379891103 - 2⁵ = 19379891071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19379891107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243301 + ... + 312977.

It is an arithmetic number, because the mean of its divisors is an integer number (877942800).

Almost surely, 2^19379891103 is an apocalyptic number.

19379891103 is a deficient number, since it is larger than the sum of its proper divisors (8714278497).

19379891103 is a wasteful number, since it uses less digits than its factorization.

19379891103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69871.

The product of its (nonzero) digits is 367416, while the sum is 51.

The spelling of 19379891103 in words is "nineteen billion, three hundred seventy-nine million, eight hundred ninety-one thousand, one hundred three".