219665133419 has 2 divisors, whose sum is σ = 219665133420. Its totient is φ = 219665133418.

The previous prime is 219665133367. The next prime is 219665133431. The reversal of 219665133419 is 914331566912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 219665133419 - 2²⁴ = 219648356203 is a prime.

It is a super-2 number, since 2×219665133419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (219665133319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109832566709 + 109832566710.

It is an arithmetic number, because the mean of its divisors is an integer number (109832566710).

Almost surely, 2^219665133419 is an apocalyptic number.

219665133419 is a deficient number, since it is larger than the sum of its proper divisors (1).

219665133419 is an equidigital number, since it uses as much as digits as its factorization.

219665133419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 50.

The spelling of 219665133419 in words is "two hundred nineteen billion, six hundred sixty-five million, one hundred thirty-three thousand, four hundred nineteen".