30304053509 has 2 divisors, whose sum is σ = 30304053510. Its totient is φ = 30304053508.

The previous prime is 30304053473. The next prime is 30304053523. The reversal of 30304053509 is 90535040303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18666390625 + 11637662884 = 136625^2 + 107878^2 .

It is a cyclic number.

It is not a de Polignac number, because 30304053509 - 2²⁰ = 30303004933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30304053599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15152026754 + 15152026755.

It is an arithmetic number, because the mean of its divisors is an integer number (15152026755).

Almost surely, 2^30304053509 is an apocalyptic number.

It is an amenable number.

30304053509 is a deficient number, since it is larger than the sum of its proper divisors (1).

30304053509 is an equidigital number, since it uses as much as digits as its factorization.

30304053509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 32.

The spelling of 30304053509 in words is "thirty billion, three hundred four million, fifty-three thousand, five hundred nine".