213321788843 has 2 divisors, whose sum is σ = 213321788844. Its totient is φ = 213321788842.

The previous prime is 213321788821. The next prime is 213321788851. The reversal of 213321788843 is 348887123312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213321788843 - 2⁸ = 213321788587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213321788791 and 213321788800.

It is not a weakly prime, because it can be changed into another prime (213321788863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106660894421 + 106660894422.

It is an arithmetic number, because the mean of its divisors is an integer number (106660894422).

Almost surely, 2^213321788843 is an apocalyptic number.

213321788843 is a deficient number, since it is larger than the sum of its proper divisors (1).

213321788843 is an equidigital number, since it uses as much as digits as its factorization.

213321788843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 50.

The spelling of 213321788843 in words is "two hundred thirteen billion, three hundred twenty-one million, seven hundred eighty-eight thousand, eight hundred forty-three".