316618447889219 has 12 divisors (see below), whose sum is σ = 371211344342784. Its totient is φ = 269250333632784.

The previous prime is 316618447889197. The next prime is 316618447889221. The reversal of 316618447889219 is 912988744816613.

It is not a de Polignac number, because 316618447889219 - 2²⁰ = 316618446840643 is a prime.

It is a super-2 number, since 2×316618447889219² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316618447889219.

It is not an unprimeable number, because it can be changed into a prime (316618447889239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25439367704 + ... + 25439380149.

It is an arithmetic number, because the mean of its divisors is an integer number (30934278695232).

Almost surely, 2^{316618447889219} is an apocalyptic number.

316618447889219 is a deficient number, since it is larger than the sum of its proper divisors (54592896453565).

316618447889219 is a wasteful number, since it uses less digits than its factorization.

316618447889219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50878747994 (or 50878747987 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 77.

The spelling of 316618447889219 in words is "three hundred sixteen trillion, six hundred eighteen billion, four hundred forty-seven million, eight hundred eighty-nine thousand, two hundred nineteen".