2854205614865 has 16 divisors (see below), whose sum is σ = 3742981297920. Its totient is φ = 2072137749120.

The previous prime is 2854205614849. The next prime is 2854205614867. The reversal of 2854205614865 is 5684165024582.

It is not a de Polignac number, because 2854205614865 - 2⁴ = 2854205614849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2854205614865.

It is not an unprimeable number, because it can be changed into a prime (2854205614867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45570329 + ... + 45632918.

It is an arithmetic number, because the mean of its divisors is an integer number (233936331120).

Almost surely, 2^{2854205614865} is an apocalyptic number.

It is an amenable number.

2854205614865 is a deficient number, since it is larger than the sum of its proper divisors (888775683055).

2854205614865 is a wasteful number, since it uses less digits than its factorization.

2854205614865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91203832.

The product of its (nonzero) digits is 18432000, while the sum is 56.

The spelling of 2854205614865 in words is "two trillion, eight hundred fifty-four billion, two hundred five million, six hundred fourteen thousand, eight hundred sixty-five".