210213888653 has 2 divisors, whose sum is σ = 210213888654. Its totient is φ = 210213888652.

The previous prime is 210213888617. The next prime is 210213888721. The reversal of 210213888653 is 356888312012.

210213888653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207518513764 + 2695374889 = 455542^2 + 51917^2 .

It is a cyclic number.

It is not a de Polignac number, because 210213888653 - 2⁶ = 210213888589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210213888598 and 210213888607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210213888253) 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, 105106944326 + 105106944327.

It is an arithmetic number, because the mean of its divisors is an integer number (105106944327).

Almost surely, 2^210213888653 is an apocalyptic number.

It is an amenable number.

210213888653 is a deficient number, since it is larger than the sum of its proper divisors (1).

210213888653 is an equidigital number, since it uses as much as digits as its factorization.

210213888653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 210213888653 in words is "two hundred ten billion, two hundred thirteen million, eight hundred eighty-eight thousand, six hundred fifty-three".