38818865145365 has 8 divisors (see below), whose sum is σ = 46583364677208. Its totient is φ = 31054607781120.

The previous prime is 38818865145343. The next prime is 38818865145367. The reversal of 38818865145365 is 56354156881883.

It can be written as a sum of positive squares in 4 ways, for example, as 10117119670564 + 28701745474801 = 3180742^2 + 5357401^2 .

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

It is not a de Polignac number, because 38818865145365 - 2¹⁶ = 38818865079829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38818865145367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60189056 + ... + 60830585.

It is an arithmetic number, because the mean of its divisors is an integer number (5822920584651).

Almost surely, 2^{38818865145365} is an apocalyptic number.

It is an amenable number.

38818865145365 is a deficient number, since it is larger than the sum of its proper divisors (7764499531843).

38818865145365 is a wasteful number, since it uses less digits than its factorization.

38818865145365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121083799.

The product of its digits is 663552000, while the sum is 71.

The spelling of 38818865145365 in words is "thirty-eight trillion, eight hundred eighteen billion, eight hundred sixty-five million, one hundred forty-five thousand, three hundred sixty-five".