30399019249 has 2 divisors, whose sum is σ = 30399019250. Its totient is φ = 30399019248.

The previous prime is 30399019199. The next prime is 30399019351. The reversal of 30399019249 is 94291099303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28491076849 + 1907942400 = 168793^2 + 43680^2 .

It is a cyclic number.

It is not a de Polignac number, because 30399019249 - 2⁷ = 30399019121 is a prime.

It is not a weakly prime, because it can be changed into another prime (30399010249) 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, 15199509624 + 15199509625.

It is an arithmetic number, because the mean of its divisors is an integer number (15199509625).

Almost surely, 2^30399019249 is an apocalyptic number.

It is an amenable number.

30399019249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30399019249 is an equidigital number, since it uses as much as digits as its factorization.

30399019249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 49.

The spelling of 30399019249 in words is "thirty billion, three hundred ninety-nine million, nineteen thousand, two hundred forty-nine".