38432681687171 has 2 divisors, whose sum is σ = 38432681687172. Its totient is φ = 38432681687170.

The previous prime is 38432681687159. The next prime is 38432681687177. The reversal of 38432681687171 is 17178618623483.

38432681687171 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 is a cyclic number.

It is not a de Polignac number, because 38432681687171 - 2⁴² = 34034635176067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38432681687098 and 38432681687107.

It is not a weakly prime, because it can be changed into another prime (38432681687177) 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, 19216340843585 + 19216340843586.

It is an arithmetic number, because the mean of its divisors is an integer number (19216340843586).

Almost surely, 2^{38432681687171} is an apocalyptic number.

38432681687171 is a deficient number, since it is larger than the sum of its proper divisors (1).

38432681687171 is an equidigital number, since it uses as much as digits as its factorization.

38432681687171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65028096, while the sum is 65.

The spelling of 38432681687171 in words is "thirty-eight trillion, four hundred thirty-two billion, six hundred eighty-one million, six hundred eighty-seven thousand, one hundred seventy-one".