2595868320639 has 16 divisors (see below), whose sum is σ = 3867901357824. Its totient is φ = 1534881489600.

The previous prime is 2595868320629. The next prime is 2595868320671. The reversal of 2595868320639 is 9360238685952.

It is not a de Polignac number, because 2595868320639 - 2¹¹ = 2595868318591 is a prime.

It is a super-2 number, since 2×2595868320639² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2595868320639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2595868320629) 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, 959299579 + ... + 959302284.

It is an arithmetic number, because the mean of its divisors is an integer number (241743834864).

Almost surely, 2^{2595868320639} is an apocalyptic number.

2595868320639 is a deficient number, since it is larger than the sum of its proper divisors (1272033037185).

2595868320639 is a wasteful number, since it uses less digits than its factorization.

2595868320639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918601918.

The product of its (nonzero) digits is 167961600, while the sum is 66.

The spelling of 2595868320639 in words is "two trillion, five hundred ninety-five billion, eight hundred sixty-eight million, three hundred twenty thousand, six hundred thirty-nine".