30045043009 has 2 divisors, whose sum is σ = 30045043010. Its totient is φ = 30045043008.

The previous prime is 30045043001. The next prime is 30045043027. The reversal of 30045043009 is 90034054003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30034623025 + 10419984 = 173305^2 + 3228^2 .

It is an emirp because it is prime and its reverse (90034054003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30045043009 - 2³ = 30045043001 is a prime.

It is not a weakly prime, because it can be changed into another prime (30045043001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15022521504 + 15022521505.

It is an arithmetic number, because the mean of its divisors is an integer number (15022521505).

Almost surely, 2^30045043009 is an apocalyptic number.

It is an amenable number.

30045043009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30045043009 is an equidigital number, since it uses as much as digits as its factorization.

30045043009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 30045043009 in words is "thirty billion, forty-five million, forty-three thousand, nine".