9705550073 has 2 divisors, whose sum is σ = 9705550074. Its totient is φ = 9705550072.

The previous prime is 9705550033. The next prime is 9705550079. The reversal of 9705550073 is 3700555079.

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., 6107109904 + 3598440169 = 78148^2 + 59987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9705550073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9705550073.

It is not a weakly prime, because it can be changed into another prime (9705550079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4852775036 + 4852775037.

It is an arithmetic number, because the mean of its divisors is an integer number (4852775037).

Almost surely, 2^9705550073 is an apocalyptic number.

It is an amenable number.

9705550073 is a deficient number, since it is larger than the sum of its proper divisors (1).

9705550073 is an equidigital number, since it uses as much as digits as its factorization.

9705550073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165375, while the sum is 41.

The square root of 9705550073 is about 98516.7502153822. The cubic root of 9705550073 is about 2133.0779098790.

The spelling of 9705550073 in words is "nine billion, seven hundred five million, five hundred fifty thousand, seventy-three".