9840705029 has 2 divisors, whose sum is σ = 9840705030. Its totient is φ = 9840705028.

The previous prime is 9840705001. The next prime is 9840705031. The reversal of 9840705029 is 9205070489.

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., 6103828129 + 3736876900 = 78127^2 + 61130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9840705029 is a prime.

Together with 9840705031, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9840785029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4920352514 + 4920352515.

It is an arithmetic number, because the mean of its divisors is an integer number (4920352515).

Almost surely, 2^9840705029 is an apocalyptic number.

It is an amenable number.

9840705029 is a deficient number, since it is larger than the sum of its proper divisors (1).

9840705029 is an equidigital number, since it uses as much as digits as its factorization.

9840705029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 9840705029 is about 99200.3277665956. The cubic root of 9840705029 is about 2142.9337168291.

The spelling of 9840705029 in words is "nine billion, eight hundred forty million, seven hundred five thousand, twenty-nine".