19034689195 has 4 divisors (see below), whose sum is σ = 22841627040. Its totient is φ = 15227751352.

The previous prime is 19034689181. The next prime is 19034689199. The reversal of 19034689195 is 59198643091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19034689195 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19034689199) 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 3 ways as a sum of consecutive naturals, for example, 1903468915 + ... + 1903468924.

It is an arithmetic number, because the mean of its divisors is an integer number (5710406760).

Almost surely, 2^19034689195 is an apocalyptic number.

19034689195 is a deficient number, since it is larger than the sum of its proper divisors (3806937845).

19034689195 is an equidigital number, since it uses as much as digits as its factorization.

19034689195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806937844.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 19034689195 in words is "nineteen billion, thirty-four million, six hundred eighty-nine thousand, one hundred ninety-five".