2659387936065 has 48 divisors (see below), whose sum is σ = 5109386319360. Its totient is φ = 1176503408640.

The previous prime is 2659387936043. The next prime is 2659387936133. The reversal of 2659387936065 is 5606397839562.

It is not a de Polignac number, because 2659387936065 - 2⁹ = 2659387935553 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58335520 + ... + 58381089.

It is an arithmetic number, because the mean of its divisors is an integer number (106445548320).

Almost surely, 2^{2659387936065} is an apocalyptic number.

It is an amenable number.

2659387936065 is a deficient number, since it is larger than the sum of its proper divisors (2449998383295).

2659387936065 is a wasteful number, since it uses less digits than its factorization.

2659387936065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116716662 (or 116716655 counting only the distinct ones).

The product of its (nonzero) digits is 440899200, while the sum is 69.

The spelling of 2659387936065 in words is "two trillion, six hundred fifty-nine billion, three hundred eighty-seven million, nine hundred thirty-six thousand, sixty-five".