213680903363 has 2 divisors, whose sum is σ = 213680903364. Its totient is φ = 213680903362.

The previous prime is 213680903329. The next prime is 213680903389. The reversal of 213680903363 is 363309086312.

213680903363 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 is a cyclic number.

It is not a de Polignac number, because 213680903363 - 2¹⁸ = 213680641219 is a prime.

It is not a weakly prime, because it can be changed into another prime (213680923363) 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, 106840451681 + 106840451682.

It is an arithmetic number, because the mean of its divisors is an integer number (106840451682).

Almost surely, 2^213680903363 is an apocalyptic number.

213680903363 is a deficient number, since it is larger than the sum of its proper divisors (1).

213680903363 is an equidigital number, since it uses as much as digits as its factorization.

213680903363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 44.

Adding to 213680903363 its reverse (363309086312), we get a palindrome (576989989675).

The spelling of 213680903363 in words is "two hundred thirteen billion, six hundred eighty million, nine hundred three thousand, three hundred sixty-three".