2618469847872 has 112 divisors (see below), whose sum is σ = 7699468268800. Its totient is φ = 872635991040.

The previous prime is 2618469847849. The next prime is 2618469847901. The reversal of 2618469847872 is 2787489648162.

2618469847872 is a `hidden beast` number, since 2 + 6 + 1 + 8 + 469 + 84 + 7 + 87 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 2618469847872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8011497 + ... + 8331927.

It is an arithmetic number, because the mean of its divisors is an integer number (68745252400).

Almost surely, 2^{2618469847872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2618469847872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3849734134400).

2618469847872 is an abundant number, since it is smaller than the sum of its proper divisors (5080998420928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2618469847872 is a wasteful number, since it uses less digits than its factorization.

2618469847872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325181 (or 325165 counting only the distinct ones).

The product of its digits is 520224768, while the sum is 72.

The spelling of 2618469847872 in words is "two trillion, six hundred eighteen billion, four hundred sixty-nine million, eight hundred forty-seven thousand, eight hundred seventy-two".