30305239049 has 2 divisors, whose sum is σ = 30305239050. Its totient is φ = 30305239048.

The previous prime is 30305239033. The next prime is 30305239099. The reversal of 30305239049 is 94093250303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29124835600 + 1180403449 = 170660^2 + 34357^2 .

It is a cyclic number.

It is not a de Polignac number, because 30305239049 - 2⁴ = 30305239033 is a prime.

It is not a weakly prime, because it can be changed into another prime (30305239099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15152619524 + 15152619525.

It is an arithmetic number, because the mean of its divisors is an integer number (15152619525).

Almost surely, 2^30305239049 is an apocalyptic number.

It is an amenable number.

30305239049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30305239049 is an equidigital number, since it uses as much as digits as its factorization.

30305239049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 38.

The spelling of 30305239049 in words is "thirty billion, three hundred five million, two hundred thirty-nine thousand, forty-nine".