17380147243 has 2 divisors, whose sum is σ = 17380147244. Its totient is φ = 17380147242.

The previous prime is 17380147223. The next prime is 17380147259. The reversal of 17380147243 is 34274108371.

It is a strong prime.

It is an emirp because it is prime and its reverse (34274108371) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17380147243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17380147196 and 17380147205.

It is not a weakly prime, because it can be changed into another prime (17380147223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8690073621 + 8690073622.

It is an arithmetic number, because the mean of its divisors is an integer number (8690073622).

Almost surely, 2^17380147243 is an apocalyptic number.

17380147243 is a deficient number, since it is larger than the sum of its proper divisors (1).

17380147243 is an equidigital number, since it uses as much as digits as its factorization.

17380147243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 17380147243 in words is "seventeen billion, three hundred eighty million, one hundred forty-seven thousand, two hundred forty-three".