13568738359 has 4 divisors (see below), whose sum is σ = 14802260040. Its totient is φ = 12335216680.

The previous prime is 13568738357. The next prime is 13568738363. The reversal of 13568738359 is 95383786531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13568738359 - 2¹ = 13568738357 is a prime.

It is a super-2 number, since 2×13568738359² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13568738357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616760824 + ... + 616760845.

It is an arithmetic number, because the mean of its divisors is an integer number (3700565010).

Almost surely, 2^13568738359 is an apocalyptic number.

13568738359 is a deficient number, since it is larger than the sum of its proper divisors (1233521681).

13568738359 is a wasteful number, since it uses less digits than its factorization.

13568738359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233521680.

The product of its digits is 16329600, while the sum is 58.

The spelling of 13568738359 in words is "thirteen billion, five hundred sixty-eight million, seven hundred thirty-eight thousand, three hundred fifty-nine".