9718585216141 has 2 divisors, whose sum is σ = 9718585216142. Its totient is φ = 9718585216140.

The previous prime is 9718585216129. The next prime is 9718585216189. The reversal of 9718585216141 is 1416125858179.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8537037956041 + 1181547260100 = 2921821^2 + 1086990^2 .

It is a cyclic number.

It is not a de Polignac number, because 9718585216141 - 2²¹ = 9718583118989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9718585216441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4859292608070 + 4859292608071.

It is an arithmetic number, because the mean of its divisors is an integer number (4859292608071).

Almost surely, 2^{9718585216141} is an apocalyptic number.

It is an amenable number.

9718585216141 is a deficient number, since it is larger than the sum of its proper divisors (1).

9718585216141 is an equidigital number, since it uses as much as digits as its factorization.

9718585216141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 58.

The spelling of 9718585216141 in words is "nine trillion, seven hundred eighteen billion, five hundred eighty-five million, two hundred sixteen thousand, one hundred forty-one".