13638583859 has 8 divisors (see below), whose sum is σ = 13740894048. Its totient is φ = 13536313920.

The previous prime is 13638583843. The next prime is 13638583873. The reversal of 13638583859 is 95838583631.

13638583859 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 not a de Polignac number, because 13638583859 - 2⁴ = 13638583843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13638583798 and 13638583807.

It is not an unprimeable number, because it can be changed into a prime (13638583879) 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 7 ways as a sum of consecutive naturals, for example, 1285394 + ... + 1295960.

It is an arithmetic number, because the mean of its divisors is an integer number (1717611756).

Almost surely, 2^13638583859 is an apocalyptic number.

13638583859 is a deficient number, since it is larger than the sum of its proper divisors (102310189).

13638583859 is a wasteful number, since it uses less digits than its factorization.

13638583859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20125.

The product of its digits is 18662400, while the sum is 59.

The spelling of 13638583859 in words is "thirteen billion, six hundred thirty-eight million, five hundred eighty-three thousand, eight hundred fifty-nine".