18737383783043 has 2 divisors, whose sum is σ = 18737383783044. Its totient is φ = 18737383783042.

The previous prime is 18737383783039. The next prime is 18737383783091. The reversal of 18737383783043 is 34038738373781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18737383783043 - 2² = 18737383783039 is a prime.

It is not a weakly prime, because it can be changed into another prime (18737383789043) 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, 9368691891521 + 9368691891522.

It is an arithmetic number, because the mean of its divisors is an integer number (9368691891522).

Almost surely, 2^{18737383783043} is an apocalyptic number.

18737383783043 is a deficient number, since it is larger than the sum of its proper divisors (1).

18737383783043 is an equidigital number, since it uses as much as digits as its factorization.

18737383783043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170698752, while the sum is 65.

The spelling of 18737383783043 in words is "eighteen trillion, seven hundred thirty-seven billion, three hundred eighty-three million, seven hundred eighty-three thousand, forty-three".