5438016568385 has 16 divisors (see below), whose sum is σ = 6546506400000. Its totient is φ = 4336497249216.

The previous prime is 5438016568337. The next prime is 5438016568421. The reversal of 5438016568385 is 5838656108345.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5438016568385 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4713692 + ... + 5752818.

It is an arithmetic number, because the mean of its divisors is an integer number (409156650000).

Almost surely, 2^{5438016568385} is an apocalyptic number.

It is an amenable number.

5438016568385 is a deficient number, since it is larger than the sum of its proper divisors (1108489831615).

5438016568385 is a wasteful number, since it uses less digits than its factorization.

5438016568385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042480.

The product of its (nonzero) digits is 82944000, while the sum is 62.

The spelling of 5438016568385 in words is "five trillion, four hundred thirty-eight billion, sixteen million, five hundred sixty-eight thousand, three hundred eighty-five".