38605372773109 has 2 divisors, whose sum is σ = 38605372773110. Its totient is φ = 38605372773108.

The previous prime is 38605372773047. The next prime is 38605372773137. The reversal of 38605372773109 is 90137727350683.

38605372773109 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., 35709623917009 + 2895748856100 = 5975753^2 + 1701690^2 .

It is an emirp because it is prime and its reverse (90137727350683) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38605372773109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38605372773139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19302686386554 + 19302686386555.

It is an arithmetic number, because the mean of its divisors is an integer number (19302686386555).

Almost surely, 2^{38605372773109} is an apocalyptic number.

It is an amenable number.

38605372773109 is a deficient number, since it is larger than the sum of its proper divisors (1).

38605372773109 is an equidigital number, since it uses as much as digits as its factorization.

38605372773109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40007520, while the sum is 61.

The spelling of 38605372773109 in words is "thirty-eight trillion, six hundred five billion, three hundred seventy-two million, seven hundred seventy-three thousand, one hundred nine".