38066685317 has 2 divisors, whose sum is σ = 38066685318. Its totient is φ = 38066685316.

The previous prime is 38066685253. The next prime is 38066685347. The reversal of 38066685317 is 71358666083.

It is a happy number.

38066685317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37542550081 + 524135236 = 193759^2 + 22894^2 .

It is a cyclic number.

It is not a de Polignac number, because 38066685317 - 2⁶ = 38066685253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38066685347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19033342658 + 19033342659.

It is an arithmetic number, because the mean of its divisors is an integer number (19033342659).

Almost surely, 2^38066685317 is an apocalyptic number.

It is an amenable number.

38066685317 is a deficient number, since it is larger than the sum of its proper divisors (1).

38066685317 is an equidigital number, since it uses as much as digits as its factorization.

38066685317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 38066685317 in words is "thirty-eight billion, sixty-six million, six hundred eighty-five thousand, three hundred seventeen".