8518291343 has 2 divisors, whose sum is σ = 8518291344. Its totient is φ = 8518291342.

The previous prime is 8518291297. The next prime is 8518291349. The reversal of 8518291343 is 3431928158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8518291343 - 2⁶ = 8518291279 is a prime.

It is a super-2 number, since 2×8518291343² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8518291294 and 8518291303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8518291349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4259145671 + 4259145672.

It is an arithmetic number, because the mean of its divisors is an integer number (4259145672).

Almost surely, 2^8518291343 is an apocalyptic number.

8518291343 is a deficient number, since it is larger than the sum of its proper divisors (1).

8518291343 is an equidigital number, since it uses as much as digits as its factorization.

8518291343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 8518291343 is about 92294.5899985476. The cubic root of 8518291343 is about 2042.2904031935.

The spelling of 8518291343 in words is "eight billion, five hundred eighteen million, two hundred ninety-one thousand, three hundred forty-three".