1016708909 has 2 divisors, whose sum is σ = 1016708910. Its totient is φ = 1016708908.

The previous prime is 1016708879. The next prime is 1016708963. The reversal of 1016708909 is 9098076101.

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., 1003495684 + 13213225 = 31678^2 + 3635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016708909 - 2¹² = 1016704813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016708309) 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, 508354454 + 508354455.

It is an arithmetic number, because the mean of its divisors is an integer number (508354455).

Almost surely, 2^1016708909 is an apocalyptic number.

It is an amenable number.

1016708909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016708909 is an equidigital number, since it uses as much as digits as its factorization.

1016708909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 1016708909 is about 31885.8731886081. The cubic root of 1016708909 is about 1005.5389002737.

The spelling of 1016708909 in words is "one billion, sixteen million, seven hundred eight thousand, nine hundred nine".