2605859046717 has 32 divisors (see below), whose sum is σ = 3696709632000. Its totient is φ = 1628166391488.

The previous prime is 2605859046647. The next prime is 2605859046727. The reversal of 2605859046717 is 7176409585062.

It is a happy number.

It is not a de Polignac number, because 2605859046717 - 2²² = 2605854852413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605859046727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2010688 + ... + 3042134.

It is an arithmetic number, because the mean of its divisors is an integer number (115522176000).

Almost surely, 2^{2605859046717} is an apocalyptic number.

It is an amenable number.

2605859046717 is a deficient number, since it is larger than the sum of its proper divisors (1090850585283).

2605859046717 is a wasteful number, since it uses less digits than its factorization.

2605859046717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031945.

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 2605859046717 in words is "two trillion, six hundred five billion, eight hundred fifty-nine million, forty-six thousand, seven hundred seventeen".