19189799083 has 24 divisors (see below), whose sum is σ = 23771424768. Its totient is φ = 15168153312.

The previous prime is 19189799051. The next prime is 19189799089. The reversal of 19189799083 is 38099798191.

It is not a de Polignac number, because 19189799083 - 2⁵ = 19189799051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19189799089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1278460 + ... + 1293382.

It is an arithmetic number, because the mean of its divisors is an integer number (990476032).

Almost surely, 2^19189799083 is an apocalyptic number.

19189799083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

19189799083 is a deficient number, since it is larger than the sum of its proper divisors (4581625685).

19189799083 is a wasteful number, since it uses less digits than its factorization.

19189799083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16043 (or 16030 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 64.

The spelling of 19189799083 in words is "nineteen billion, one hundred eighty-nine million, seven hundred ninety-nine thousand, eighty-three".