30001029689 has 2 divisors, whose sum is σ = 30001029690. Its totient is φ = 30001029688.

The previous prime is 30001029679. The next prime is 30001029733. The reversal of 30001029689 is 98692010003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25251752464 + 4749277225 = 158908^2 + 68915^2 .

It is a cyclic number.

It is not a de Polignac number, because 30001029689 - 2⁴ = 30001029673 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30001029629) 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, 15000514844 + 15000514845.

It is an arithmetic number, because the mean of its divisors is an integer number (15000514845).

Almost surely, 2^30001029689 is an apocalyptic number.

It is an amenable number.

30001029689 is a deficient number, since it is larger than the sum of its proper divisors (1).

30001029689 is an equidigital number, since it uses as much as digits as its factorization.

30001029689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 30001029689 in words is "thirty billion, one million, twenty-nine thousand, six hundred eighty-nine".