30068450849 has 2 divisors, whose sum is σ = 30068450850. Its totient is φ = 30068450848.

The previous prime is 30068450843. The next prime is 30068450861. The reversal of 30068450849 is 94805486003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29131662400 + 936788449 = 170680^2 + 30607^2 .

It is an emirp because it is prime and its reverse (94805486003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30068450849 is a prime.

It is a super-2 number, since 2×30068450849² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30068450843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15034225424 + 15034225425.

It is an arithmetic number, because the mean of its divisors is an integer number (15034225425).

Almost surely, 2^30068450849 is an apocalyptic number.

It is an amenable number.

30068450849 is a deficient number, since it is larger than the sum of its proper divisors (1).

30068450849 is an equidigital number, since it uses as much as digits as its factorization.

30068450849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 30068450849 in words is "thirty billion, sixty-eight million, four hundred fifty thousand, eight hundred forty-nine".