13561656093 has 20 divisors (see below), whose sum is σ = 20729909728. Its totient is φ = 8830843560.

The previous prime is 13561656079. The next prime is 13561656113. The reversal of 13561656093 is 39065616531.

13561656093 is a `hidden beast` number, since 1 + 35 + 6 + 1 + 6 + 5 + 609 + 3 = 666.

13561656093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13561656093 - 2⁵ = 13561656061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13561656293) 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 19 ways as a sum of consecutive naturals, for example, 1943353 + ... + 1950318.

Almost surely, 2^13561656093 is an apocalyptic number.

It is an amenable number.

13561656093 is a deficient number, since it is larger than the sum of its proper divisors (7168253635).

13561656093 is an equidigital number, since it uses as much as digits as its factorization.

13561656093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893726 (or 3893717 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 13561656093 in words is "thirteen billion, five hundred sixty-one million, six hundred fifty-six thousand, ninety-three".