213868880833 has 2 divisors, whose sum is σ = 213868880834. Its totient is φ = 213868880832.

The previous prime is 213868880801. The next prime is 213868880861. The reversal of 213868880833 is 338088868312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213045018624 + 823862209 = 461568^2 + 28703^2 .

It is a cyclic number.

It is not a de Polignac number, because 213868880833 - 2⁵ = 213868880801 is a prime.

It is not a weakly prime, because it can be changed into another prime (213868880893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106934440416 + 106934440417.

It is an arithmetic number, because the mean of its divisors is an integer number (106934440417).

Almost surely, 2^213868880833 is an apocalyptic number.

It is an amenable number.

213868880833 is a deficient number, since it is larger than the sum of its proper divisors (1).

213868880833 is an equidigital number, since it uses as much as digits as its factorization.

213868880833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10616832, while the sum is 58.

The spelling of 213868880833 in words is "two hundred thirteen billion, eight hundred sixty-eight million, eight hundred eighty thousand, eight hundred thirty-three".