982447709 has 2 divisors, whose sum is σ = 982447710. Its totient is φ = 982447708.

The previous prime is 982447679. The next prime is 982447727. The reversal of 982447709 is 907744289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 965842084 + 16605625 = 31078^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 982447709 - 2²⁴ = 965670493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (982447759) 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, 491223854 + 491223855.

It is an arithmetic number, because the mean of its divisors is an integer number (491223855).

Almost surely, 2^982447709 is an apocalyptic number.

It is an amenable number.

982447709 is a deficient number, since it is larger than the sum of its proper divisors (1).

982447709 is an equidigital number, since it uses as much as digits as its factorization.

982447709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 982447709 is about 31344.0219021108. The cubic root of 982447709 is about 994.1146671408.

The spelling of 982447709 in words is "nine hundred eighty-two million, four hundred forty-seven thousand, seven hundred nine".