13388759243509 has 16 divisors (see below), whose sum is σ = 14751881319168. Its totient is φ = 12074183865792.

The previous prime is 13388759243491. The next prime is 13388759243549. The reversal of 13388759243509 is 90534295788331.

13388759243509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13388759243509 - 2⁹ = 13388759242997 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 (13388759243549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19330107 + ... + 20010760.

It is an arithmetic number, because the mean of its divisors is an integer number (921992582448).

Almost surely, 2^{13388759243509} is an apocalyptic number.

It is an amenable number.

13388759243509 is a deficient number, since it is larger than the sum of its proper divisors (1363122075659).

13388759243509 is a wasteful number, since it uses less digits than its factorization.

13388759243509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39341484.

The product of its (nonzero) digits is 195955200, while the sum is 67.

The spelling of 13388759243509 in words is "thirteen trillion, three hundred eighty-eight billion, seven hundred fifty-nine million, two hundred forty-three thousand, five hundred nine".