9748663457279 has 2 divisors, whose sum is σ = 9748663457280. Its totient is φ = 9748663457278.

The previous prime is 9748663457249. The next prime is 9748663457297. The reversal of 9748663457279 is 9727543668479.

Together with next prime (9748663457297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9748663457279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9748663457249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4874331728639 + 4874331728640.

It is an arithmetic number, because the mean of its divisors is an integer number (4874331728640).

Almost surely, 2^{9748663457279} is an apocalyptic number.

9748663457279 is a deficient number, since it is larger than the sum of its proper divisors (1).

9748663457279 is an equidigital number, since it uses as much as digits as its factorization.

9748663457279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840721920, while the sum is 77.

The spelling of 9748663457279 in words is "nine trillion, seven hundred forty-eight billion, six hundred sixty-three million, four hundred fifty-seven thousand, two hundred seventy-nine".