980912917 has 2 divisors, whose sum is σ = 980912918. Its totient is φ = 980912916.

The previous prime is 980912893. The next prime is 980912927. The reversal of 980912917 is 719219089.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972566596 + 8346321 = 31186^2 + 2889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980912917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980912927) 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, 490456458 + 490456459.

It is an arithmetic number, because the mean of its divisors is an integer number (490456459).

Almost surely, 2^980912917 is an apocalyptic number.

It is an amenable number.

980912917 is a deficient number, since it is larger than the sum of its proper divisors (1).

980912917 is an equidigital number, since it uses as much as digits as its factorization.

980912917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 46.

The square root of 980912917 is about 31319.5293227724. The cubic root of 980912917 is about 993.5967245795.

The spelling of 980912917 in words is "nine hundred eighty million, nine hundred twelve thousand, nine hundred seventeen".