19219114063 has 4 divisors (see below), whose sum is σ = 19666070248. Its totient is φ = 18772157880.

The previous prime is 19219114043. The next prime is 19219114069. The reversal of 19219114063 is 36041191291.

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-19219114063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19219114069) 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 3 ways as a sum of consecutive naturals, for example, 223478028 + ... + 223478113.

It is an arithmetic number, because the mean of its divisors is an integer number (4916517562).

Almost surely, 2^19219114063 is an apocalyptic number.

19219114063 is a deficient number, since it is larger than the sum of its proper divisors (446956185).

19219114063 is an equidigital number, since it uses as much as digits as its factorization.

19219114063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446956184.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 19219114063 in words is "nineteen billion, two hundred nineteen million, one hundred fourteen thousand, sixty-three".