8343341561 has 2 divisors, whose sum is σ = 8343341562. Its totient is φ = 8343341560.

The previous prime is 8343341537. The next prime is 8343341599. The reversal of 8343341561 is 1651433438.

It is an a-pointer prime, because the next prime (8343341599) can be obtained adding 8343341561 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7433715961 + 909625600 = 86219^2 + 30160^2 .

It is a cyclic number.

It is not a de Polignac number, because 8343341561 - 2²⁶ = 8276232697 is a prime.

It is a super-2 number, since 2×8343341561² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8343341761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4171670780 + 4171670781.

It is an arithmetic number, because the mean of its divisors is an integer number (4171670781).

Almost surely, 2^8343341561 is an apocalyptic number.

It is an amenable number.

8343341561 is a deficient number, since it is larger than the sum of its proper divisors (1).

8343341561 is an equidigital number, since it uses as much as digits as its factorization.

8343341561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 8343341561 is about 91341.8937892137. The cubic root of 8343341561 is about 2028.2119679868.

Adding to 8343341561 its reverse (1651433438), we get a palindrome (9994774999).

The spelling of 8343341561 in words is "eight billion, three hundred forty-three million, three hundred forty-one thousand, five hundred sixty-one".