983042089 has 2 divisors, whose sum is σ = 983042090. Its totient is φ = 983042088.

The previous prime is 983042069. The next prime is 983042111. The reversal of 983042089 is 980240389.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 756690064 + 226352025 = 27508^2 + 15045^2 .

It is an emirp because it is prime and its reverse (980240389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 983042089 - 2¹¹ = 983040041 is a prime.

It is not a weakly prime, because it can be changed into another prime (983042069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491521044 + 491521045.

It is an arithmetic number, because the mean of its divisors is an integer number (491521045).

Almost surely, 2^983042089 is an apocalyptic number.

It is an amenable number.

983042089 is a deficient number, since it is larger than the sum of its proper divisors (1).

983042089 is an equidigital number, since it uses as much as digits as its factorization.

983042089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 983042089 is about 31353.5020213054. The cubic root of 983042089 is about 994.3151062243.

The spelling of 983042089 in words is "nine hundred eighty-three million, forty-two thousand, eighty-nine".