2886640504065 has 24 divisors (see below), whose sum is σ = 5164913764608. Its totient is φ = 1489878969120.

The previous prime is 2886640504051. The next prime is 2886640504117. The reversal of 2886640504065 is 5604050466882.

2886640504065 is a `hidden beast` number, since 2 + 88 + 66 + 405 + 0 + 40 + 65 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2886640504065 is a prime.

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, 1034636779 + ... + 1034639568.

It is an arithmetic number, because the mean of its divisors is an integer number (215204740192).

Almost surely, 2^{2886640504065} is an apocalyptic number.

It is an amenable number.

2886640504065 is a deficient number, since it is larger than the sum of its proper divisors (2278273260543).

2886640504065 is a wasteful number, since it uses less digits than its factorization.

2886640504065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069276389 (or 2069276386 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 2886640504065 in words is "two trillion, eight hundred eighty-six billion, six hundred forty million, five hundred four thousand, sixty-five".