213107665219 has 2 divisors, whose sum is σ = 213107665220. Its totient is φ = 213107665218.

The previous prime is 213107665217. The next prime is 213107665279. The reversal of 213107665219 is 912566701312.

213107665219 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 213107665219 - 2¹ = 213107665217 is a prime.

It is a super-2 number, since 2×213107665219² (a number of 23 digits) contains 22 as substring.

Together with 213107665217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (213107665213) 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, 106553832609 + 106553832610.

It is an arithmetic number, because the mean of its divisors is an integer number (106553832610).

Almost surely, 2^213107665219 is an apocalyptic number.

213107665219 is a deficient number, since it is larger than the sum of its proper divisors (1).

213107665219 is an equidigital number, since it uses as much as digits as its factorization.

213107665219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 213107665219 in words is "two hundred thirteen billion, one hundred seven million, six hundred sixty-five thousand, two hundred nineteen".