17139784559 has 2 divisors, whose sum is σ = 17139784560. Its totient is φ = 17139784558.

The previous prime is 17139784481. The next prime is 17139784579. The reversal of 17139784559 is 95548793171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17139784559 - 2⁸ = 17139784303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17139784498 and 17139784507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17139784579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8569892279 + 8569892280.

It is an arithmetic number, because the mean of its divisors is an integer number (8569892280).

Almost surely, 2^17139784559 is an apocalyptic number.

17139784559 is a deficient number, since it is larger than the sum of its proper divisors (1).

17139784559 is an equidigital number, since it uses as much as digits as its factorization.

17139784559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 59.

The spelling of 17139784559 in words is "seventeen billion, one hundred thirty-nine million, seven hundred eighty-four thousand, five hundred fifty-nine".