2818612028385 has 24 divisors (see below), whose sum is σ = 4885728165864. Its totient is φ = 1503218522880.

The previous prime is 2818612028341. The next prime is 2818612028459. The reversal of 2818612028385 is 5838202168182.

2818612028385 is a `hidden beast` number, since 2 + 8 + 18 + 612 + 0 + 2 + 8 + 3 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 762694808976 + 2055917219409 = 873324^2 + 1433847^2 .

It is not a de Polignac number, because 2818612028385 - 2²⁰ = 2818610979809 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 837055 + ... + 2517515.

It is an arithmetic number, because the mean of its divisors is an integer number (203572006911).

Almost surely, 2^{2818612028385} is an apocalyptic number.

It is an amenable number.

2818612028385 is a deficient number, since it is larger than the sum of its proper divisors (2067116137479).

2818612028385 is a wasteful number, since it uses less digits than its factorization.

2818612028385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717745 (or 1717742 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 2818612028385 in words is "two trillion, eight hundred eighteen billion, six hundred twelve million, twenty-eight thousand, three hundred eighty-five".