9481706679209 has 2 divisors, whose sum is σ = 9481706679210. Its totient is φ = 9481706679208.

The previous prime is 9481706679163. The next prime is 9481706679233. The reversal of 9481706679209 is 9029766071849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5025689658025 + 4456017021184 = 2241805^2 + 2110928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9481706679209 is a prime.

It is not a weakly prime, because it can be changed into another prime (9481706679239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4740853339604 + 4740853339605.

It is an arithmetic number, because the mean of its divisors is an integer number (4740853339605).

Almost surely, 2^{9481706679209} is an apocalyptic number.

It is an amenable number.

9481706679209 is a deficient number, since it is larger than the sum of its proper divisors (1).

9481706679209 is an equidigital number, since it uses as much as digits as its factorization.

9481706679209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82301184, while the sum is 68.

The spelling of 9481706679209 in words is "nine trillion, four hundred eighty-one billion, seven hundred six million, six hundred seventy-nine thousand, two hundred nine".