13861539163 has 2 divisors, whose sum is σ = 13861539164. Its totient is φ = 13861539162.

The previous prime is 13861539157. The next prime is 13861539217. The reversal of 13861539163 is 36193516831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13861539163 - 2⁹ = 13861538651 is a prime.

It is not a weakly prime, because it can be changed into another prime (13861539463) 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, 6930769581 + 6930769582.

It is an arithmetic number, because the mean of its divisors is an integer number (6930769582).

Almost surely, 2^13861539163 is an apocalyptic number.

13861539163 is a deficient number, since it is larger than the sum of its proper divisors (1).

13861539163 is an equidigital number, since it uses as much as digits as its factorization.

13861539163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The spelling of 13861539163 in words is "thirteen billion, eight hundred sixty-one million, five hundred thirty-nine thousand, one hundred sixty-three".