9946540758241 has 2 divisors, whose sum is σ = 9946540758242. Its totient is φ = 9946540758240.

The previous prime is 9946540758109. The next prime is 9946540758247. The reversal of 9946540758241 is 1428570456499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9916610374225 + 29930384016 = 3149065^2 + 173004^2 .

It is a cyclic number.

It is not a de Polignac number, because 9946540758241 - 2²⁷ = 9946406540513 is a prime.

It is not a weakly prime, because it can be changed into another prime (9946540758247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4973270379120 + 4973270379121.

It is an arithmetic number, because the mean of its divisors is an integer number (4973270379121).

Almost surely, 2^{9946540758241} is an apocalyptic number.

It is an amenable number.

9946540758241 is a deficient number, since it is larger than the sum of its proper divisors (1).

9946540758241 is an equidigital number, since it uses as much as digits as its factorization.

9946540758241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 9946540758241 in words is "nine trillion, nine hundred forty-six billion, five hundred forty million, seven hundred fifty-eight thousand, two hundred forty-one".