9701366481281 has 2 divisors, whose sum is σ = 9701366481282. Its totient is φ = 9701366481280.

The previous prime is 9701366481143. The next prime is 9701366481337. The reversal of 9701366481281 is 1821846631079.

It is a happy number.

It is an a-pointer prime, because the next prime (9701366481337) can be obtained adding 9701366481281 to its sum of digits (56).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9593886760000 + 107479721281 = 3097400^2 + 327841^2 .

It is a cyclic number.

It is not a de Polignac number, because 9701366481281 - 2²² = 9701362286977 is a prime.

It is a super-2 number, since 2×9701366481281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9701366481881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4850683240640 + 4850683240641.

It is an arithmetic number, because the mean of its divisors is an integer number (4850683240641).

Almost surely, 2^{9701366481281} is an apocalyptic number.

It is an amenable number.

9701366481281 is a deficient number, since it is larger than the sum of its proper divisors (1).

9701366481281 is an equidigital number, since it uses as much as digits as its factorization.

9701366481281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 9701366481281 in words is "nine trillion, seven hundred one billion, three hundred sixty-six million, four hundred eighty-one thousand, two hundred eighty-one".