13656220064593 has 8 divisors (see below), whose sum is σ = 13895741700000. Its totient is φ = 13416967105248.

The previous prime is 13656220064581. The next prime is 13656220064609. The reversal of 13656220064593 is 39546002265631.

13656220064593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13656220064593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13656220064593.

It is not an unprimeable number, because it can be changed into a prime (13656220064573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67066468 + ... + 67269781.

It is an arithmetic number, because the mean of its divisors is an integer number (1736967712500).

Almost surely, 2^{13656220064593} is an apocalyptic number.

It is an amenable number.

13656220064593 is a deficient number, since it is larger than the sum of its proper divisors (239521635407).

13656220064593 is a wasteful number, since it uses less digits than its factorization.

13656220064593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134338031.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 13656220064593 in words is "thirteen trillion, six hundred fifty-six billion, two hundred twenty million, sixty-four thousand, five hundred ninety-three".