17242066643 has 2 divisors, whose sum is σ = 17242066644. Its totient is φ = 17242066642.

The previous prime is 17242066619. The next prime is 17242066687. The reversal of 17242066643 is 34666024271.

It is a weak prime.

It is an emirp because it is prime and its reverse (34666024271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17242066643 - 2⁶ = 17242066579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17242066643.

It is not a weakly prime, because it can be changed into another prime (17242066613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8621033321 + 8621033322.

It is an arithmetic number, because the mean of its divisors is an integer number (8621033322).

Almost surely, 2^17242066643 is an apocalyptic number.

17242066643 is a deficient number, since it is larger than the sum of its proper divisors (1).

17242066643 is an equidigital number, since it uses as much as digits as its factorization.

17242066643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 17242066643 in words is "seventeen billion, two hundred forty-two million, sixty-six thousand, six hundred forty-three".