8343004081 has 2 divisors, whose sum is σ = 8343004082. Its totient is φ = 8343004080.

The previous prime is 8343004073. The next prime is 8343004123. The reversal of 8343004081 is 1804003438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7282915600 + 1060088481 = 85340^2 + 32559^2 .

It is a cyclic number.

It is not a de Polignac number, because 8343004081 - 2³ = 8343004073 is a prime.

It is a super-2 number, since 2×8343004081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8343004051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4171502040 + 4171502041.

It is an arithmetic number, because the mean of its divisors is an integer number (4171502041).

Almost surely, 2^8343004081 is an apocalyptic number.

It is an amenable number.

8343004081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8343004081 is an equidigital number, since it uses as much as digits as its factorization.

8343004081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 8343004081 is about 91340.0464254316. The cubic root of 8343004081 is about 2028.1846212217.

The spelling of 8343004081 in words is "eight billion, three hundred forty-three million, four thousand, eighty-one".