9485357806481 has 2 divisors, whose sum is σ = 9485357806482. Its totient is φ = 9485357806480.

The previous prime is 9485357806471. The next prime is 9485357806549. The reversal of 9485357806481 is 1846087535849.

It is an a-pointer prime, because the next prime (9485357806549) can be obtained adding 9485357806481 to its sum of digits (68).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9259903774081 + 225454032400 = 3043009^2 + 474820^2 .

It is a cyclic number.

It is not a de Polignac number, because 9485357806481 - 2¹⁸ = 9485357544337 is a prime.

It is a super-2 number, since 2×9485357806481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9485357806471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4742678903240 + 4742678903241.

It is an arithmetic number, because the mean of its divisors is an integer number (4742678903241).

Almost surely, 2^{9485357806481} is an apocalyptic number.

It is an amenable number.

9485357806481 is a deficient number, since it is larger than the sum of its proper divisors (1).

9485357806481 is an equidigital number, since it uses as much as digits as its factorization.

9485357806481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 232243200, while the sum is 68.

The spelling of 9485357806481 in words is "nine trillion, four hundred eighty-five billion, three hundred fifty-seven million, eight hundred six thousand, four hundred eighty-one".