109081000289 has 2 divisors, whose sum is σ = 109081000290. Its totient is φ = 109081000288.

The previous prime is 109081000283. The next prime is 109081000321. The reversal of 109081000289 is 982000180901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100594905889 + 8486094400 = 317167^2 + 92120^2 .

It is a cyclic number.

It is not a de Polignac number, because 109081000289 - 2³² = 104786032993 is a prime.

It is not a weakly prime, because it can be changed into another prime (109081000283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54540500144 + 54540500145.

It is an arithmetic number, because the mean of its divisors is an integer number (54540500145).

Almost surely, 2^109081000289 is an apocalyptic number.

It is an amenable number.

109081000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

109081000289 is an equidigital number, since it uses as much as digits as its factorization.

109081000289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 109081000289 in words is "one hundred nine billion, eighty-one million, two hundred eighty-nine", and thus it is an aban number.