18594075343 has 2 divisors, whose sum is σ = 18594075344. Its totient is φ = 18594075342.

The previous prime is 18594075341. The next prime is 18594075359. The reversal of 18594075343 is 34357049581.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18594075343 - 2¹ = 18594075341 is a prime.

It is a super-2 number, since 2×18594075343² (a number of 21 digits) contains 22 as substring.

Together with 18594075341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18594075341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9297037671 + 9297037672.

It is an arithmetic number, because the mean of its divisors is an integer number (9297037672).

Almost surely, 2^18594075343 is an apocalyptic number.

18594075343 is a deficient number, since it is larger than the sum of its proper divisors (1).

18594075343 is an equidigital number, since it uses as much as digits as its factorization.

18594075343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 18594075343 in words is "eighteen billion, five hundred ninety-four million, seventy-five thousand, three hundred forty-three".