38709000817 has 2 divisors, whose sum is σ = 38709000818. Its totient is φ = 38709000816.

The previous prime is 38709000773. The next prime is 38709000821. The reversal of 38709000817 is 71800090783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21922948096 + 16786052721 = 148064^2 + 129561^2 .

It is a cyclic number.

It is not a de Polignac number, because 38709000817 - 2¹⁵ = 38708968049 is a prime.

It is not a weakly prime, because it can be changed into another prime (38709600817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19354500408 + 19354500409.

It is an arithmetic number, because the mean of its divisors is an integer number (19354500409).

Almost surely, 2^38709000817 is an apocalyptic number.

It is an amenable number.

38709000817 is a deficient number, since it is larger than the sum of its proper divisors (1).

38709000817 is an equidigital number, since it uses as much as digits as its factorization.

38709000817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 38709000817 in words is "thirty-eight billion, seven hundred nine million, eight hundred seventeen", and thus it is an aban number.