129998818183159 has 2 divisors, whose sum is σ = 129998818183160. Its totient is φ = 129998818183158.

The previous prime is 129998818183121. The next prime is 129998818183217. The reversal of 129998818183159 is 951381818899921.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (951381818899921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129998818183159 - 2⁴⁵ = 94814446094327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129998818183109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64999409091579 + 64999409091580.

It is an arithmetic number, because the mean of its divisors is an integer number (64999409091580).

Almost surely, 2^{129998818183159} is an apocalyptic number.

129998818183159 is a deficient number, since it is larger than the sum of its proper divisors (1).

129998818183159 is an equidigital number, since it uses as much as digits as its factorization.

129998818183159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806215680, while the sum is 82.

The spelling of 129998818183159 in words is "one hundred twenty-nine trillion, nine hundred ninety-eight billion, eight hundred eighteen million, one hundred eighty-three thousand, one hundred fifty-nine".