2560695804965 has 16 divisors (see below), whose sum is σ = 3105147529728. Its totient is φ = 2027059311936.

The previous prime is 2560695804943. The next prime is 2560695805091. The reversal of 2560695804965 is 5694085960652.

It is a cyclic number.

It is not a de Polignac number, because 2560695804965 - 2³⁴ = 2543515935781 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 2311382 + ... + 3234791.

It is an arithmetic number, because the mean of its divisors is an integer number (194071720608).

Almost surely, 2^{2560695804965} is an apocalyptic number.

It is an amenable number.

2560695804965 is a deficient number, since it is larger than the sum of its proper divisors (544451724763).

2560695804965 is a wasteful number, since it uses less digits than its factorization.

2560695804965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547148.

The product of its (nonzero) digits is 139968000, while the sum is 65.

The spelling of 2560695804965 in words is "two trillion, five hundred sixty billion, six hundred ninety-five million, eight hundred four thousand, nine hundred sixty-five".