18852105439 has 2 divisors, whose sum is σ = 18852105440. Its totient is φ = 18852105438.

The previous prime is 18852105403. The next prime is 18852105473. The reversal of 18852105439 is 93450125881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18852105439 - 2¹⁵ = 18852072671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18852175439) 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, 9426052719 + 9426052720.

It is an arithmetic number, because the mean of its divisors is an integer number (9426052720).

Almost surely, 2^18852105439 is an apocalyptic number.

18852105439 is a deficient number, since it is larger than the sum of its proper divisors (1).

18852105439 is an equidigital number, since it uses as much as digits as its factorization.

18852105439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 18852105439 in words is "eighteen billion, eight hundred fifty-two million, one hundred five thousand, four hundred thirty-nine".