10240708909 has 2 divisors, whose sum is σ = 10240708910. Its totient is φ = 10240708908.

The previous prime is 10240708843. The next prime is 10240708957. The reversal of 10240708909 is 90980704201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9550175625 + 690533284 = 97725^2 + 26278^2 .

It is a cyclic number.

It is not a de Polignac number, because 10240708909 - 2¹⁹ = 10240184621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10240708969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5120354454 + 5120354455.

It is an arithmetic number, because the mean of its divisors is an integer number (5120354455).

Almost surely, 2^10240708909 is an apocalyptic number.

It is an amenable number.

10240708909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10240708909 is an equidigital number, since it uses as much as digits as its factorization.

10240708909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 10240708909 in words is "ten billion, two hundred forty million, seven hundred eight thousand, nine hundred nine".