17859892089089 has 2 divisors, whose sum is σ = 17859892089090. Its totient is φ = 17859892089088.

The previous prime is 17859892088999. The next prime is 17859892089167. The reversal of 17859892089089 is 98098029895871.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11780545998400 + 6079346090689 = 3432280^2 + 2465633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17859892089089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17859892088998 and 17859892089016.

It is not a weakly prime, because it can be changed into another prime (17859892019089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8929946044544 + 8929946044545.

It is an arithmetic number, because the mean of its divisors is an integer number (8929946044545).

Almost surely, 2^{17859892089089} is an apocalyptic number.

It is an amenable number.

17859892089089 is a deficient number, since it is larger than the sum of its proper divisors (1).

17859892089089 is an equidigital number, since it uses as much as digits as its factorization.

17859892089089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1881169920, while the sum is 83.

The spelling of 17859892089089 in words is "seventeen trillion, eight hundred fifty-nine billion, eight hundred ninety-two million, eighty-nine thousand, eighty-nine".