38568560257217 has 4 divisors (see below), whose sum is σ = 38580965715540. Its totient is φ = 38556154798896.

The previous prime is 38568560257181. The next prime is 38568560257229. The reversal of 38568560257217 is 71275206586583.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26545669758001 + 12022890499216 = 5152249^2 + 3467404^2 .

It is a cyclic number.

It is not a de Polignac number, because 38568560257217 - 2²² = 38568556062913 is a prime.

It is a super-2 number, since 2×38568560257217² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38568560257277) 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, 6202724498 + ... + 6202730715.

It is an arithmetic number, because the mean of its divisors is an integer number (9645241428885).

Almost surely, 2^{38568560257217} is an apocalyptic number.

It is an amenable number.

38568560257217 is a deficient number, since it is larger than the sum of its proper divisors (12405458323).

38568560257217 is a wasteful number, since it uses less digits than its factorization.

38568560257217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12405458322.

The product of its (nonzero) digits is 169344000, while the sum is 65.

The spelling of 38568560257217 in words is "thirty-eight trillion, five hundred sixty-eight billion, five hundred sixty million, two hundred fifty-seven thousand, two hundred seventeen".