211328317939 has 2 divisors, whose sum is σ = 211328317940. Its totient is φ = 211328317938.

The previous prime is 211328317927. The next prime is 211328317973. The reversal of 211328317939 is 939713823112.

It is a happy number.

211328317939 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 is a cyclic number.

It is not a de Polignac number, because 211328317939 - 2²⁷ = 211194100211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211328317892 and 211328317901.

It is not a weakly prime, because it can be changed into another prime (211328317919) 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, 105664158969 + 105664158970.

It is an arithmetic number, because the mean of its divisors is an integer number (105664158970).

Almost surely, 2^211328317939 is an apocalyptic number.

211328317939 is a deficient number, since it is larger than the sum of its proper divisors (1).

211328317939 is an equidigital number, since it uses as much as digits as its factorization.

211328317939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The spelling of 211328317939 in words is "two hundred eleven billion, three hundred twenty-eight million, three hundred seventeen thousand, nine hundred thirty-nine".