38355965117 has 2 divisors, whose sum is σ = 38355965118. Its totient is φ = 38355965116.

The previous prime is 38355965099. The next prime is 38355965129. The reversal of 38355965117 is 71156955383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23414814361 + 14941150756 = 153019^2 + 122234^2 .

It is an emirp because it is prime and its reverse (71156955383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38355965117 - 2⁸ = 38355964861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38355965017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19177982558 + 19177982559.

It is an arithmetic number, because the mean of its divisors is an integer number (19177982559).

Almost surely, 2^38355965117 is an apocalyptic number.

It is an amenable number.

38355965117 is a deficient number, since it is larger than the sum of its proper divisors (1).

38355965117 is an equidigital number, since it uses as much as digits as its factorization.

38355965117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402000, while the sum is 53.

The spelling of 38355965117 in words is "thirty-eight billion, three hundred fifty-five million, nine hundred sixty-five thousand, one hundred seventeen".