8442602480681 has 2 divisors, whose sum is σ = 8442602480682. Its totient is φ = 8442602480680.

The previous prime is 8442602480621. The next prime is 8442602480687. The reversal of 8442602480681 is 1860842062448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5376443888656 + 3066158592025 = 2318716^2 + 1751045^2 .

It is a cyclic number.

It is not a de Polignac number, because 8442602480681 - 2¹⁰ = 8442602479657 is a prime.

It is a super-3 number, since 3×8442602480681³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (8442602480687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4221301240340 + 4221301240341.

It is an arithmetic number, because the mean of its divisors is an integer number (4221301240341).

Almost surely, 2^{8442602480681} is an apocalyptic number.

It is an amenable number.

8442602480681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8442602480681 is an equidigital number, since it uses as much as digits as its factorization.

8442602480681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4718592, while the sum is 53.

The spelling of 8442602480681 in words is "eight trillion, four hundred forty-two billion, six hundred two million, four hundred eighty thousand, six hundred eighty-one".