163434046363129 has 2 divisors, whose sum is σ = 163434046363130. Its totient is φ = 163434046363128.

The previous prime is 163434046363127. The next prime is 163434046363157. The reversal of 163434046363129 is 921363640434361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155396668272400 + 8037378090729 = 12465820^2 + 2835027^2 .

It is a cyclic number.

It is not a de Polignac number, because 163434046363129 - 2¹ = 163434046363127 is a prime.

Together with 163434046363127, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 163434046363129.

It is not a weakly prime, because it can be changed into another prime (163434046363121) 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, 81717023181564 + 81717023181565.

It is an arithmetic number, because the mean of its divisors is an integer number (81717023181565).

Almost surely, 2^{163434046363129} is an apocalyptic number.

It is an amenable number.

163434046363129 is a deficient number, since it is larger than the sum of its proper divisors (1).

163434046363129 is an equidigital number, since it uses as much as digits as its factorization.

163434046363129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20155392, while the sum is 55.

The spelling of 163434046363129 in words is "one hundred sixty-three trillion, four hundred thirty-four billion, forty-six million, three hundred sixty-three thousand, one hundred twenty-nine".