13438565317 has 8 divisors (see below), whose sum is σ = 13955139072. Its totient is φ = 12927183600.

The previous prime is 13438565311. The next prime is 13438565333. The reversal of 13438565317 is 71356583431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13438565317 is a prime.

It is a super-3 number, since 3×13438565317³ (a number of 31 digits) contains 333 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 (13438565311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292734 + ... + 1303087.

It is an arithmetic number, because the mean of its divisors is an integer number (1744392384).

Almost surely, 2^13438565317 is an apocalyptic number.

It is an amenable number.

13438565317 is a deficient number, since it is larger than the sum of its proper divisors (516573755).

13438565317 is a wasteful number, since it uses less digits than its factorization.

13438565317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596019.

The product of its digits is 907200, while the sum is 46.

The spelling of 13438565317 in words is "thirteen billion, four hundred thirty-eight million, five hundred sixty-five thousand, three hundred seventeen".