39136438163 has 2 divisors, whose sum is σ = 39136438164. Its totient is φ = 39136438162.

The previous prime is 39136438109. The next prime is 39136438223. The reversal of 39136438163 is 36183463193.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39136438163 - 2¹² = 39136434067 is a prime.

It is a super-4 number, since 4×39136438163⁴ (a number of 43 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (39136431163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19568219081 + 19568219082.

It is an arithmetic number, because the mean of its divisors is an integer number (19568219082).

Almost surely, 2^39136438163 is an apocalyptic number.

39136438163 is a deficient number, since it is larger than the sum of its proper divisors (1).

39136438163 is an equidigital number, since it uses as much as digits as its factorization.

39136438163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 47.

The spelling of 39136438163 in words is "thirty-nine billion, one hundred thirty-six million, four hundred thirty-eight thousand, one hundred sixty-three".