17045204243 has 2 divisors, whose sum is σ = 17045204244. Its totient is φ = 17045204242.

The previous prime is 17045204233. The next prime is 17045204273. The reversal of 17045204243 is 34240254071.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17045204243 - 2²⁸ = 16776768787 is a prime.

It is not a weakly prime, because it can be changed into another prime (17045204233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8522602121 + 8522602122.

It is an arithmetic number, because the mean of its divisors is an integer number (8522602122).

Almost surely, 2^17045204243 is an apocalyptic number.

17045204243 is a deficient number, since it is larger than the sum of its proper divisors (1).

17045204243 is an equidigital number, since it uses as much as digits as its factorization.

17045204243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

The spelling of 17045204243 in words is "seventeen billion, forty-five million, two hundred four thousand, two hundred forty-three".