9999000709 has 2 divisors, whose sum is σ = 9999000710.
Its totient is φ = 9999000708.
The previous prime is 9999000701. The next prime is 9999000761. The reversal of 9999000709 is 9070009999.
9999000709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an a-pointer prime, because the next prime (9999000761) can be obtained adding 9999000709 to its sum of digits (52).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7335408609 + 2663592100 = 85647^2 + 51610^2
It is a cyclic number.
It is not a de Polignac number, because 9999000709 - 23 = 9999000701 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (9999000701) 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, 4999500354 + 4999500355.
It is an arithmetic number, because the mean of its divisors is an integer number (4999500355).
Almost surely, 29999000709 is an apocalyptic number.
It is an amenable number.
9999000709 is a deficient number, since it is larger than the sum of its proper divisors (1).
9999000709 is an equidigital number, since it uses as much as digits as its factorization.
9999000709 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 413343, while the sum is 52.
The square root of 9999000709 is about 99995.0034201710.
The cubic root of 9999000709 is about 2154.3629240681.
The spelling of 9999000709 in words is "nine billion, nine hundred ninety-nine million, seven hundred nine", and thus it is an aban number.