193630105243 has 2 divisors, whose sum is σ = 193630105244. Its totient is φ = 193630105242.

The previous prime is 193630105189. The next prime is 193630105261. The reversal of 193630105243 is 342501036391.

193630105243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193630105243 is a prime.

It is a super-5 number, since 5×193630105243⁵ (a number of 58 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (193630105343) 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, 96815052621 + 96815052622.

It is an arithmetic number, because the mean of its divisors is an integer number (96815052622).

Almost surely, 2^193630105243 is an apocalyptic number.

193630105243 is a deficient number, since it is larger than the sum of its proper divisors (1).

193630105243 is an equidigital number, since it uses as much as digits as its factorization.

193630105243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 193630105243 in words is "one hundred ninety-three billion, six hundred thirty million, one hundred five thousand, two hundred forty-three".