2560558434387 has 16 divisors (see below), whose sum is σ = 3436164066720. Its totient is φ = 1695998034432.

The previous prime is 2560558434373. The next prime is 2560558434419. The reversal of 2560558434387 is 7834348550652.

It is not a de Polignac number, because 2560558434387 - 2¹⁸ = 2560558172243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2560558434387.

It is not an unprimeable number, because it can be changed into a prime (2560558434587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4581933 + ... + 5110305.

It is an arithmetic number, because the mean of its divisors is an integer number (214760254170).

Almost surely, 2^{2560558434387} is an apocalyptic number.

2560558434387 is a deficient number, since it is larger than the sum of its proper divisors (875605632333).

2560558434387 is a wasteful number, since it uses less digits than its factorization.

2560558434387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538822.

The product of its (nonzero) digits is 96768000, while the sum is 60.

The spelling of 2560558434387 in words is "two trillion, five hundred sixty billion, five hundred fifty-eight million, four hundred thirty-four thousand, three hundred eighty-seven".