305000000999 has 2 divisors, whose sum is σ = 305000001000. Its totient is φ = 305000000998.

The previous prime is 305000000983. The next prime is 305000001029. The reversal of 305000000999 is 999000000503.

It is a weak prime.

It is an emirp because it is prime and its reverse (999000000503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305000000999 - 2⁴ = 305000000983 is a prime.

It is a Sophie Germain prime.

305000000999 is a modest number, since divided by 999 gives 305 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305000000939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152500000499 + 152500000500.

It is an arithmetic number, because the mean of its divisors is an integer number (152500000500).

Almost surely, 2^305000000999 is an apocalyptic number.

305000000999 is a deficient number, since it is larger than the sum of its proper divisors (1).

305000000999 is an equidigital number, since it uses as much as digits as its factorization.

305000000999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10935, while the sum is 35.

The spelling of 305000000999 in words is "three hundred five billion, nine hundred ninety-nine", and thus it is an aban number.