30668941841 has 2 divisors, whose sum is σ = 30668941842. Its totient is φ = 30668941840.

The previous prime is 30668941813. The next prime is 30668941847. The reversal of 30668941841 is 14814986603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30486556816 + 182385025 = 174604^2 + 13505^2 .

It is a cyclic number.

It is not a de Polignac number, because 30668941841 - 2¹⁰ = 30668940817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30668941841.

It is not a weakly prime, because it can be changed into another prime (30668941847) 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, 15334470920 + 15334470921.

It is an arithmetic number, because the mean of its divisors is an integer number (15334470921).

Almost surely, 2^30668941841 is an apocalyptic number.

It is an amenable number.

30668941841 is a deficient number, since it is larger than the sum of its proper divisors (1).

30668941841 is an equidigital number, since it uses as much as digits as its factorization.

30668941841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 30668941841 in words is "thirty billion, six hundred sixty-eight million, nine hundred forty-one thousand, eight hundred forty-one".