18336025843 has 2 divisors, whose sum is σ = 18336025844. Its totient is φ = 18336025842.

The previous prime is 18336025817. The next prime is 18336025861. The reversal of 18336025843 is 34852063381.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18336025843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18336025843.

It is not a weakly prime, because it can be changed into another prime (18336023843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9168012921 + 9168012922.

It is an arithmetic number, because the mean of its divisors is an integer number (9168012922).

Almost surely, 2^18336025843 is an apocalyptic number.

18336025843 is a deficient number, since it is larger than the sum of its proper divisors (1).

18336025843 is an equidigital number, since it uses as much as digits as its factorization.

18336025843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 18336025843 in words is "eighteen billion, three hundred thirty-six million, twenty-five thousand, eight hundred forty-three".