30011985089 has 2 divisors, whose sum is σ = 30011985090. Its totient is φ = 30011985088.

The previous prime is 30011985077. The next prime is 30011985109. The reversal of 30011985089 is 98058911003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22347858064 + 7664127025 = 149492^2 + 87545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30011985089 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 (30011985049) 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, 15005992544 + 15005992545.

It is an arithmetic number, because the mean of its divisors is an integer number (15005992545).

Almost surely, 2^30011985089 is an apocalyptic number.

It is an amenable number.

30011985089 is a deficient number, since it is larger than the sum of its proper divisors (1).

30011985089 is an equidigital number, since it uses as much as digits as its factorization.

30011985089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 30011985089 in words is "thirty billion, eleven million, nine hundred eighty-five thousand, eighty-nine".