38650983985121 has 2 divisors, whose sum is σ = 38650983985122. Its totient is φ = 38650983985120.

The previous prime is 38650983985099. The next prime is 38650983985231. The reversal of 38650983985121 is 12158938905683.

It is a happy number.

38650983985121 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., 23756509624225 + 14894474360896 = 4874065^2 + 3859336^2 .

It is a cyclic number.

It is not a de Polignac number, because 38650983985121 - 2¹⁸ = 38650983722977 is a prime.

It is not a weakly prime, because it can be changed into another prime (38650983985021) 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, 19325491992560 + 19325491992561.

It is an arithmetic number, because the mean of its divisors is an integer number (19325491992561).

Almost surely, 2^{38650983985121} is an apocalyptic number.

It is an amenable number.

38650983985121 is a deficient number, since it is larger than the sum of its proper divisors (1).

38650983985121 is an equidigital number, since it uses as much as digits as its factorization.

38650983985121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111974400, while the sum is 68.

The spelling of 38650983985121 in words is "thirty-eight trillion, six hundred fifty billion, nine hundred eighty-three million, nine hundred eighty-five thousand, one hundred twenty-one".