9748622417981 has 2 divisors, whose sum is σ = 9748622417982. Its totient is φ = 9748622417980.

The previous prime is 9748622417971. The next prime is 9748622417987. The reversal of 9748622417981 is 1897142268479.

9748622417981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5806610715481 + 3942011702500 = 2409691^2 + 1985450^2 .

It is a cyclic number.

It is not a de Polignac number, because 9748622417981 - 2¹⁴ = 9748622401597 is a prime.

It is a super-2 number, since 2×9748622417981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9748622417987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4874311208990 + 4874311208991.

It is an arithmetic number, because the mean of its divisors is an integer number (4874311208991).

Almost surely, 2^{9748622417981} is an apocalyptic number.

It is an amenable number.

9748622417981 is a deficient number, since it is larger than the sum of its proper divisors (1).

9748622417981 is an equidigital number, since it uses as much as digits as its factorization.

9748622417981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 68.

The spelling of 9748622417981 in words is "nine trillion, seven hundred forty-eight billion, six hundred twenty-two million, four hundred seventeen thousand, nine hundred eighty-one".