38941127917 has 2 divisors, whose sum is σ = 38941127918. Its totient is φ = 38941127916.

The previous prime is 38941127857. The next prime is 38941127947. The reversal of 38941127917 is 71972114983.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38467369161 + 473758756 = 196131^2 + 21766^2 .

It is an emirp because it is prime and its reverse (71972114983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38941127917 - 2³¹ = 36793644269 is a prime.

It is a super-2 number, since 2×38941127917² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38941127947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19470563958 + 19470563959.

It is an arithmetic number, because the mean of its divisors is an integer number (19470563959).

Almost surely, 2^38941127917 is an apocalyptic number.

It is an amenable number.

38941127917 is a deficient number, since it is larger than the sum of its proper divisors (1).

38941127917 is an equidigital number, since it uses as much as digits as its factorization.

38941127917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 52.

The spelling of 38941127917 in words is "thirty-eight billion, nine hundred forty-one million, one hundred twenty-seven thousand, nine hundred seventeen".