980773309 has 2 divisors, whose sum is σ = 980773310. Its totient is φ = 980773308.

The previous prime is 980773307. The next prime is 980773361. The reversal of 980773309 is 903377089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 978751225 + 2022084 = 31285^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 980773309 - 2¹ = 980773307 is a prime.

Together with 980773307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980773303) 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, 490386654 + 490386655.

It is an arithmetic number, because the mean of its divisors is an integer number (490386655).

Almost surely, 2^980773309 is an apocalyptic number.

It is an amenable number.

980773309 is a deficient number, since it is larger than the sum of its proper divisors (1).

980773309 is an equidigital number, since it uses as much as digits as its factorization.

980773309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 980773309 is about 31317.3004743385. The cubic root of 980773309 is about 993.5495846039.

The spelling of 980773309 in words is "nine hundred eighty million, seven hundred seventy-three thousand, three hundred nine".