999000029 has 2 divisors, whose sum is σ = 999000030. Its totient is φ = 999000028.

The previous prime is 999000011. The next prime is 999000061. The reversal of 999000029 is 920000999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 610831225 + 388168804 = 24715^2 + 19702^2 .

It is an emirp because it is prime and its reverse (920000999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999000029 - 2⁸ = 998999773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 998999956 and 999000001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999030029) 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, 499500014 + 499500015.

It is an arithmetic number, because the mean of its divisors is an integer number (499500015).

Almost surely, 2^999000029 is an apocalyptic number.

It is an amenable number.

999000029 is a deficient number, since it is larger than the sum of its proper divisors (1).

999000029 is an equidigital number, since it uses as much as digits as its factorization.

999000029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 999000029 is about 31606.9617173179. The cubic root of 999000029 is about 999.6665651669. Note that the first 3 decimals are identical.

The spelling of 999000029 in words is "nine hundred ninety-nine million, twenty-nine", and thus it is an aban number.