18882783853 has 2 divisors, whose sum is σ = 18882783854. Its totient is φ = 18882783852.

The previous prime is 18882783827. The next prime is 18882783863. The reversal of 18882783853 is 35838728881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18364857289 + 517926564 = 135517^2 + 22758^2 .

It is an emirp because it is prime and its reverse (35838728881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18882783853 - 2¹³ = 18882775661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18882783791 and 18882783800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18882783863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9441391926 + 9441391927.

It is an arithmetic number, because the mean of its divisors is an integer number (9441391927).

Almost surely, 2^18882783853 is an apocalyptic number.

It is an amenable number.

18882783853 is a deficient number, since it is larger than the sum of its proper divisors (1).

18882783853 is an equidigital number, since it uses as much as digits as its factorization.

18882783853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20643840, while the sum is 61.

The spelling of 18882783853 in words is "eighteen billion, eight hundred eighty-two million, seven hundred eighty-three thousand, eight hundred fifty-three".