9707897273 has 2 divisors, whose sum is σ = 9707897274. Its totient is φ = 9707897272.

The previous prime is 9707897267. The next prime is 9707897299. The reversal of 9707897273 is 3727987079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9157150249 + 550747024 = 95693^2 + 23468^2 .

It is an emirp because it is prime and its reverse (3727987079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9707897273 - 2¹² = 9707893177 is a prime.

It is not a weakly prime, because it can be changed into another prime (9727897273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4853948636 + 4853948637.

It is an arithmetic number, because the mean of its divisors is an integer number (4853948637).

Almost surely, 2^9707897273 is an apocalyptic number.

It is an amenable number.

9707897273 is a deficient number, since it is larger than the sum of its proper divisors (1).

9707897273 is an equidigital number, since it uses as much as digits as its factorization.

9707897273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9335088, while the sum is 59.

The square root of 9707897273 is about 98528.6621902480. The cubic root of 9707897273 is about 2133.2498512552.

The spelling of 9707897273 in words is "nine billion, seven hundred seven million, eight hundred ninety-seven thousand, two hundred seventy-three".