13568124813 has 16 divisors (see below), whose sum is σ = 19324521216. Its totient is φ = 8437990400.

The previous prime is 13568124811. The next prime is 13568124839. The reversal of 13568124813 is 31842186531.

It is a happy number.

13568124813 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 13568124813 - 2¹ = 13568124811 is a prime.

It is a super-2 number, since 2×13568124813² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13568124811) 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 15 ways as a sum of consecutive naturals, for example, 1171413 + ... + 1182938.

It is an arithmetic number, because the mean of its divisors is an integer number (1207782576).

Almost surely, 2^13568124813 is an apocalyptic number.

It is an amenable number.

13568124813 is a deficient number, since it is larger than the sum of its proper divisors (5756396403).

13568124813 is a wasteful number, since it uses less digits than its factorization.

13568124813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354484.

The product of its digits is 138240, while the sum is 42.

The spelling of 13568124813 in words is "thirteen billion, five hundred sixty-eight million, one hundred twenty-four thousand, eight hundred thirteen".