980823814189 has 2 divisors, whose sum is σ = 980823814190. Its totient is φ = 980823814188.

The previous prime is 980823814183. The next prime is 980823814207. The reversal of 980823814189 is 981418328089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 777280273225 + 203543540964 = 881635^2 + 451158^2 .

It is an emirp because it is prime and its reverse (981418328089) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980823814189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980823814183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490411907094 + 490411907095.

It is an arithmetic number, because the mean of its divisors is an integer number (490411907095).

Almost surely, 2^980823814189 is an apocalyptic number.

It is an amenable number.

980823814189 is a deficient number, since it is larger than the sum of its proper divisors (1).

980823814189 is an equidigital number, since it uses as much as digits as its factorization.

980823814189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7962624, while the sum is 61.

The spelling of 980823814189 in words is "nine hundred eighty billion, eight hundred twenty-three million, eight hundred fourteen thousand, one hundred eighty-nine".