13068906238717 has 4 divisors (see below), whose sum is σ = 14935892844256. Its totient is φ = 11201919633180.

The previous prime is 13068906238667. The next prime is 13068906238723. The reversal of 13068906238717 is 71783260986031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13068906238717 is a prime.

It is a super-2 number, since 2×13068906238717² (a number of 27 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 (13068906238217) 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, 933493302759 + ... + 933493302772.

It is an arithmetic number, because the mean of its divisors is an integer number (3733973211064).

Almost surely, 2^{13068906238717} is an apocalyptic number.

It is an amenable number.

13068906238717 is a deficient number, since it is larger than the sum of its proper divisors (1866986605539).

13068906238717 is an equidigital number, since it uses as much as digits as its factorization.

13068906238717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866986605538.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 13068906238717 in words is "thirteen trillion, sixty-eight billion, nine hundred six million, two hundred thirty-eight thousand, seven hundred seventeen".