219750938213 has 2 divisors, whose sum is σ = 219750938214. Its totient is φ = 219750938212.

The previous prime is 219750938159. The next prime is 219750938249. The reversal of 219750938213 is 312839057912.

219750938213 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 can be written as a sum of positive squares in only one way, i.e., 206168667364 + 13582270849 = 454058^2 + 116543^2 .

It is a cyclic number.

It is not a de Polignac number, because 219750938213 - 2⁸ = 219750937957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219750934213) 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, 109875469106 + 109875469107.

It is an arithmetic number, because the mean of its divisors is an integer number (109875469107).

Almost surely, 2^219750938213 is an apocalyptic number.

It is an amenable number.

219750938213 is a deficient number, since it is larger than the sum of its proper divisors (1).

219750938213 is an equidigital number, since it uses as much as digits as its factorization.

219750938213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 219750938213 in words is "two hundred nineteen billion, seven hundred fifty million, nine hundred thirty-eight thousand, two hundred thirteen".