1029811169 has 2 divisors, whose sum is σ = 1029811170. Its totient is φ = 1029811168.

The previous prime is 1029811163. The next prime is 1029811183. The reversal of 1029811169 is 9611189201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625600144 + 404211025 = 25012^2 + 20105^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029811169 - 2²⁰ = 1028762593 is a prime.

It is a super-2 number, since 2×1029811169² = 2121022087594293122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1029811163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514905584 + 514905585.

It is an arithmetic number, because the mean of its divisors is an integer number (514905585).

Almost surely, 2^1029811169 is an apocalyptic number.

It is an amenable number.

1029811169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029811169 is an equidigital number, since it uses as much as digits as its factorization.

1029811169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 38.

The square root of 1029811169 is about 32090.6710587361. The cubic root of 1029811169 is about 1009.8399148298.

The spelling of 1029811169 in words is "one billion, twenty-nine million, eight hundred eleven thousand, one hundred sixty-nine".