38678861853733 has 2 divisors, whose sum is σ = 38678861853734. Its totient is φ = 38678861853732.

The previous prime is 38678861853703. The next prime is 38678861853787. The reversal of 38678861853733 is 33735816887683.

38678861853733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28840959862884 + 9837901990849 = 5370378^2 + 3136543^2 .

It is a cyclic number.

It is not a de Polignac number, because 38678861853733 - 2⁵ = 38678861853701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38678861853733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38678861853703) 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, 19339430926866 + 19339430926867.

It is an arithmetic number, because the mean of its divisors is an integer number (19339430926867).

Almost surely, 2^{38678861853733} is an apocalyptic number.

It is an amenable number.

38678861853733 is a deficient number, since it is larger than the sum of its proper divisors (1).

38678861853733 is an equidigital number, since it uses as much as digits as its factorization.

38678861853733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2926264320, while the sum is 76.

The spelling of 38678861853733 in words is "thirty-eight trillion, six hundred seventy-eight billion, eight hundred sixty-one million, eight hundred fifty-three thousand, seven hundred thirty-three".