216839629133 has 2 divisors, whose sum is σ = 216839629134. Its totient is φ = 216839629132.

The previous prime is 216839629087. The next prime is 216839629169. The reversal of 216839629133 is 331926938612.

216839629133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202295751529 + 14543877604 = 449773^2 + 120598^2 .

It is a cyclic number.

It is not a de Polignac number, because 216839629133 - 2⁸ = 216839628877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216839629183) 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, 108419814566 + 108419814567.

It is an arithmetic number, because the mean of its divisors is an integer number (108419814567).

Almost surely, 2^216839629133 is an apocalyptic number.

It is an amenable number.

216839629133 is a deficient number, since it is larger than the sum of its proper divisors (1).

216839629133 is an equidigital number, since it uses as much as digits as its factorization.

216839629133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 53.

The spelling of 216839629133 in words is "two hundred sixteen billion, eight hundred thirty-nine million, six hundred twenty-nine thousand, one hundred thirty-three".