980909089 has 2 divisors, whose sum is σ = 980909090. Its totient is φ = 980909088.

The previous prime is 980909053. The next prime is 980909117.

980909089 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 552626064 + 428283025 = 23508^2 + 20695^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 980909089 - 2¹⁷ = 980778017 is a prime.

It is not a weakly prime, because it can be changed into another prime (980909989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490454544 + 490454545.

It is an arithmetic number, because the mean of its divisors is an integer number (490454545).

Almost surely, 2^980909089 is an apocalyptic number.

It is an amenable number.

980909089 is a deficient number, since it is larger than the sum of its proper divisors (1).

980909089 is an equidigital number, since it uses as much as digits as its factorization.

980909089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 52.

The square root of 980909089 is about 31319.4682106833. The cubic root of 980909089 is about 993.5954320783.

The spelling of 980909089 in words is "nine hundred eighty million, nine hundred nine thousand, eighty-nine".