38163435839 has 2 divisors, whose sum is σ = 38163435840. Its totient is φ = 38163435838.

The previous prime is 38163435829. The next prime is 38163435899. The reversal of 38163435839 is 93853436183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38163435839 - 2²⁴ = 38146658623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38163435829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19081717919 + 19081717920.

It is an arithmetic number, because the mean of its divisors is an integer number (19081717920).

Almost surely, 2^38163435839 is an apocalyptic number.

38163435839 is a deficient number, since it is larger than the sum of its proper divisors (1).

38163435839 is an equidigital number, since it uses as much as digits as its factorization.

38163435839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 53.

The spelling of 38163435839 in words is "thirty-eight billion, one hundred sixty-three million, four hundred thirty-five thousand, eight hundred thirty-nine".