2319198519819 has 16 divisors (see below), whose sum is σ = 3226791716352. Its totient is φ = 1478872198848.

The previous prime is 2319198519809. The next prime is 2319198519821. The reversal of 2319198519819 is 9189158919132.

It is not a de Polignac number, because 2319198519819 - 2⁷ = 2319198519691 is a prime.

It is a super-2 number, since 2×2319198519819² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2319198519819.

It is not an unprimeable number, because it can be changed into a prime (2319198519809) 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 15 ways as a sum of consecutive naturals, for example, 2503594 + ... + 3302480.

It is an arithmetic number, because the mean of its divisors is an integer number (201674482272).

Almost surely, 2^{2319198519819} is an apocalyptic number.

2319198519819 is a deficient number, since it is larger than the sum of its proper divisors (907593196533).

2319198519819 is a wasteful number, since it uses less digits than its factorization.

2319198519819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840986.

The product of its digits is 12597120, while the sum is 66.

The spelling of 2319198519819 in words is "two trillion, three hundred nineteen billion, one hundred ninety-eight million, five hundred nineteen thousand, eight hundred nineteen".