17493038243 has 2 divisors, whose sum is σ = 17493038244. Its totient is φ = 17493038242.

The previous prime is 17493038159. The next prime is 17493038279. The reversal of 17493038243 is 34283039471.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17493038243 - 2¹² = 17493034147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17493038194 and 17493038203.

It is not a weakly prime, because it can be changed into another prime (17493031243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8746519121 + 8746519122.

It is an arithmetic number, because the mean of its divisors is an integer number (8746519122).

Almost surely, 2^17493038243 is an apocalyptic number.

17493038243 is a deficient number, since it is larger than the sum of its proper divisors (1).

17493038243 is an equidigital number, since it uses as much as digits as its factorization.

17493038243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 17493038243 in words is "seventeen billion, four hundred ninety-three million, thirty-eight thousand, two hundred forty-three".