2188688833853 has 2 divisors, whose sum is σ = 2188688833854. Its totient is φ = 2188688833852.

The previous prime is 2188688833819. The next prime is 2188688833871. The reversal of 2188688833853 is 3583388868812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2182409380804 + 6279453049 = 1477298^2 + 79243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2188688833853 - 2¹² = 2188688829757 is a prime.

It is a super-2 number, since 2×2188688833853² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2188688833453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094344416926 + 1094344416927.

It is an arithmetic number, because the mean of its divisors is an integer number (1094344416927).

Almost surely, 2^{2188688833853} is an apocalyptic number.

It is an amenable number.

2188688833853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2188688833853 is an equidigital number, since it uses as much as digits as its factorization.

2188688833853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 424673280, while the sum is 71.

The spelling of 2188688833853 in words is "two trillion, one hundred eighty-eight billion, six hundred eighty-eight million, eight hundred thirty-three thousand, eight hundred fifty-three".