9840959459 has 2 divisors, whose sum is σ = 9840959460. Its totient is φ = 9840959458.

The previous prime is 9840959419. The next prime is 9840959461. The reversal of 9840959459 is 9549590489.

9840959459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9840959459 is a prime.

Together with 9840959461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9840959419) 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, 4920479729 + 4920479730.

It is an arithmetic number, because the mean of its divisors is an integer number (4920479730).

Almost surely, 2^9840959459 is an apocalyptic number.

9840959459 is a deficient number, since it is larger than the sum of its proper divisors (1).

9840959459 is an equidigital number, since it uses as much as digits as its factorization.

9840959459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20995200, while the sum is 62.

The square root of 9840959459 is about 99201.6101633436. The cubic root of 9840959459 is about 2142.9521850834.

The spelling of 9840959459 in words is "nine billion, eight hundred forty million, nine hundred fifty-nine thousand, four hundred fifty-nine".