9747418249 has 2 divisors, whose sum is σ = 9747418250. Its totient is φ = 9747418248.

The previous prime is 9747418237. The next prime is 9747418411. The reversal of 9747418249 is 9428147479.

9747418249 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., 9046863225 + 700555024 = 95115^2 + 26468^2 .

It is an emirp because it is prime and its reverse (9428147479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9747418249 - 2¹¹ = 9747416201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9747418249.

It is not a weakly prime, because it can be changed into another prime (9744418249) 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, 4873709124 + 4873709125.

It is an arithmetic number, because the mean of its divisors is an integer number (4873709125).

Almost surely, 2^9747418249 is an apocalyptic number.

It is an amenable number.

9747418249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9747418249 is an equidigital number, since it uses as much as digits as its factorization.

9747418249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 55.

The square root of 9747418249 is about 98729.0142207447. The cubic root of 9747418249 is about 2136.1407611120.

The spelling of 9747418249 in words is "nine billion, seven hundred forty-seven million, four hundred eighteen thousand, two hundred forty-nine".