16743289 has 2 divisors, whose sum is σ = 16743290. Its totient is φ = 16743288.

The previous prime is 16743281. The next prime is 16743301. The reversal of 16743289 is 98234761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11868025 + 4875264 = 3445^2 + 2208^2 .

It is an emirp because it is prime and its reverse (98234761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16743289 - 2³ = 16743281 is a prime.

It is not a weakly prime, because it can be changed into another prime (16743281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8371644 + 8371645.

It is an arithmetic number, because the mean of its divisors is an integer number (8371645).

Almost surely, 2^16743289 is an apocalyptic number.

It is an amenable number.

16743289 is a deficient number, since it is larger than the sum of its proper divisors (1).

16743289 is an equidigital number, since it uses as much as digits as its factorization.

16743289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 16743289 is about 4091.8564246562. The cubic root of 16743289 is about 255.8273219052.

The spelling of 16743289 in words is "sixteen million, seven hundred forty-three thousand, two hundred eighty-nine".