17966875943 has 2 divisors, whose sum is σ = 17966875944. Its totient is φ = 17966875942.

The previous prime is 17966875919. The next prime is 17966875957. The reversal of 17966875943 is 34957866971.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17966875943 - 2⁶ = 17966875879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17966875943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17966875643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8983437971 + 8983437972.

It is an arithmetic number, because the mean of its divisors is an integer number (8983437972).

Almost surely, 2^17966875943 is an apocalyptic number.

17966875943 is a deficient number, since it is larger than the sum of its proper divisors (1).

17966875943 is an equidigital number, since it uses as much as digits as its factorization.

17966875943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68584320, while the sum is 65.

The spelling of 17966875943 in words is "seventeen billion, nine hundred sixty-six million, eight hundred seventy-five thousand, nine hundred forty-three".