38040052217 has 2 divisors, whose sum is σ = 38040052218. Its totient is φ = 38040052216.

The previous prime is 38040052189. The next prime is 38040052313. The reversal of 38040052217 is 71225004083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35976984976 + 2063067241 = 189676^2 + 45421^2 .

It is an emirp because it is prime and its reverse (71225004083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38040052217 - 2¹⁸ = 38039790073 is a prime.

It is not a weakly prime, because it can be changed into another prime (38040052417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19020026108 + 19020026109.

It is an arithmetic number, because the mean of its divisors is an integer number (19020026109).

Almost surely, 2^38040052217 is an apocalyptic number.

It is an amenable number.

38040052217 is a deficient number, since it is larger than the sum of its proper divisors (1).

38040052217 is an equidigital number, since it uses as much as digits as its factorization.

38040052217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 38040052217 in words is "thirty-eight billion, forty million, fifty-two thousand, two hundred seventeen".