1029161818129 has 2 divisors, whose sum is σ = 1029161818130. Its totient is φ = 1029161818128.

The previous prime is 1029161818103. The next prime is 1029161818183. The reversal of 1029161818129 is 9218181619201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1029155467729 + 6350400 = 1014473^2 + 2520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029161818129 - 2⁷ = 1029161818001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1029161810129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514580909064 + 514580909065.

It is an arithmetic number, because the mean of its divisors is an integer number (514580909065).

Almost surely, 2^{1029161818129} is an apocalyptic number.

It is an amenable number.

1029161818129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029161818129 is an equidigital number, since it uses as much as digits as its factorization.

1029161818129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 49.

The spelling of 1029161818129 in words is "one trillion, twenty-nine billion, one hundred sixty-one million, eight hundred eighteen thousand, one hundred twenty-nine".