30441983917 has 2 divisors, whose sum is σ = 30441983918. Its totient is φ = 30441983916.

The previous prime is 30441983909. The next prime is 30441983921. The reversal of 30441983917 is 71938914403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27864289476 + 2577694441 = 166926^2 + 50771^2 .

It is a cyclic number.

It is not a de Polignac number, because 30441983917 - 2³ = 30441983909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30441983417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15220991958 + 15220991959.

It is an arithmetic number, because the mean of its divisors is an integer number (15220991959).

Almost surely, 2^30441983917 is an apocalyptic number.

It is an amenable number.

30441983917 is a deficient number, since it is larger than the sum of its proper divisors (1).

30441983917 is an equidigital number, since it uses as much as digits as its factorization.

30441983917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 30441983917 in words is "thirty billion, four hundred forty-one million, nine hundred eighty-three thousand, nine hundred seventeen".