9873701309 has 2 divisors, whose sum is σ = 9873701310. Its totient is φ = 9873701308.

The previous prime is 9873701273. The next prime is 9873701347. The reversal of 9873701309 is 9031073789.

9873701309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9587347225 + 286354084 = 97915^2 + 16922^2 .

It is a cyclic number.

It is not a de Polignac number, because 9873701309 - 2⁸ = 9873701053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9873701009) 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, 4936850654 + 4936850655.

It is an arithmetic number, because the mean of its divisors is an integer number (4936850655).

Almost surely, 2^9873701309 is an apocalyptic number.

It is an amenable number.

9873701309 is a deficient number, since it is larger than the sum of its proper divisors (1).

9873701309 is an equidigital number, since it uses as much as digits as its factorization.

9873701309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 9873701309 is about 99366.4999333276. The cubic root of 9873701309 is about 2145.3261591646.

The spelling of 9873701309 in words is "nine billion, eight hundred seventy-three million, seven hundred one thousand, three hundred nine".