30809009039 has 2 divisors, whose sum is σ = 30809009040. Its totient is φ = 30809009038.

The previous prime is 30809009017. The next prime is 30809009041. The reversal of 30809009039 is 93090090803.

It is a strong prime.

It is an emirp because it is prime and its reverse (93090090803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30809009039 is a prime.

Together with 30809009041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30809008987 and 30809009005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30809009239) 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, 15404504519 + 15404504520.

It is an arithmetic number, because the mean of its divisors is an integer number (15404504520).

Almost surely, 2^30809009039 is an apocalyptic number.

30809009039 is a deficient number, since it is larger than the sum of its proper divisors (1).

30809009039 is an equidigital number, since it uses as much as digits as its factorization.

30809009039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 30809009039 in words is "thirty billion, eight hundred nine million, nine thousand, thirty-nine".