213303763789 has 2 divisors, whose sum is σ = 213303763790. Its totient is φ = 213303763788.

The previous prime is 213303763787. The next prime is 213303763811. The reversal of 213303763789 is 987367303312.

It is a happy number.

213303763789 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., 193526966889 + 19776796900 = 439917^2 + 140630^2 .

It is a cyclic number.

It is not a de Polignac number, because 213303763789 - 2¹ = 213303763787 is a prime.

Together with 213303763787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213303763781) 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, 106651881894 + 106651881895.

It is an arithmetic number, because the mean of its divisors is an integer number (106651881895).

Almost surely, 2^213303763789 is an apocalyptic number.

It is an amenable number.

213303763789 is a deficient number, since it is larger than the sum of its proper divisors (1).

213303763789 is an equidigital number, since it uses as much as digits as its factorization.

213303763789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 213303763789 in words is "two hundred thirteen billion, three hundred three million, seven hundred sixty-three thousand, seven hundred eighty-nine".