38461617650729 has 32 divisors (see below), whose sum is σ = 48338652687360. Its totient is φ = 29793064859712.

The previous prime is 38461617650681. The next prime is 38461617650761. The reversal of 38461617650729 is 92705671616483.

38461617650729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38461617650729 - 2²⁸ = 38461349215273 is a prime.

It is a super-2 number, since 2×38461617650729² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38461617652729) 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 in 31 ways as a sum of consecutive naturals, for example, 18356759 + ... + 20344380.

It is an arithmetic number, because the mean of its divisors is an integer number (1510582896480).

It is a 2-persistent number, because it is pandigital, and so is 2⋅38461617650729 = 76923235301458, but 3⋅38461617650729 = 115384852952187 is not.

Almost surely, 2^{38461617650729} is an apocalyptic number.

It is an amenable number.

38461617650729 is a deficient number, since it is larger than the sum of its proper divisors (9877035036631).

38461617650729 is a wasteful number, since it uses less digits than its factorization.

38461617650729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38701389.

The product of its (nonzero) digits is 91445760, while the sum is 65.

The spelling of 38461617650729 in words is "thirty-eight trillion, four hundred sixty-one billion, six hundred seventeen million, six hundred fifty thousand, seven hundred twenty-nine".