38811885482813 has 2 divisors, whose sum is σ = 38811885482814. Its totient is φ = 38811885482812.

The previous prime is 38811885482771. The next prime is 38811885482827. The reversal of 38811885482813 is 31828458811883.

38811885482813 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., 33093177612889 + 5718707869924 = 5752667^2 + 2391382^2 .

It is an emirp because it is prime and its reverse (31828458811883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38811885482813 - 2²⁰ = 38811884434237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38811825482813) 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, 19405942741406 + 19405942741407.

It is an arithmetic number, because the mean of its divisors is an integer number (19405942741407).

Almost surely, 2^{38811885482813} is an apocalyptic number.

It is an amenable number.

38811885482813 is a deficient number, since it is larger than the sum of its proper divisors (1).

38811885482813 is an equidigital number, since it uses as much as digits as its factorization.

38811885482813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94371840, while the sum is 68.

The spelling of 38811885482813 in words is "thirty-eight trillion, eight hundred eleven billion, eight hundred eighty-five million, four hundred eighty-two thousand, eight hundred thirteen".