8463341791081 has 2 divisors, whose sum is σ = 8463341791082. Its totient is φ = 8463341791080.

The previous prime is 8463341791049. The next prime is 8463341791193. The reversal of 8463341791081 is 1801971433648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7351234451856 + 1112107339225 = 2711316^2 + 1054565^2 .

It is a cyclic number.

It is not a de Polignac number, because 8463341791081 - 2⁵ = 8463341791049 is a prime.

It is a super-2 number, since 2×8463341791081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8463341791001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4231670895540 + 4231670895541.

It is an arithmetic number, because the mean of its divisors is an integer number (4231670895541).

Almost surely, 2^{8463341791081} is an apocalyptic number.

It is an amenable number.

8463341791081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8463341791081 is an equidigital number, since it uses as much as digits as its factorization.

8463341791081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 8463341791081 in words is "eight trillion, four hundred sixty-three billion, three hundred forty-one million, seven hundred ninety-one thousand, eighty-one".