219214853 has 12 divisors (see below), whose sum is σ = 259492044. Its totient is φ = 183955200.

The previous prime is 219214811. The next prime is 219214867. The reversal of 219214853 is 358412912.

It can be written as a sum of positive squares in 2 ways, for example, as 66618244 + 152596609 = 8162^2 + 12353^2 .

It is not a de Polignac number, because 219214853 - 2¹⁰ = 219213829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219214873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68108 + ... + 71253.

It is an arithmetic number, because the mean of its divisors is an integer number (21624337).

Almost surely, 2^219214853 is an apocalyptic number.

It is an amenable number.

219214853 is a deficient number, since it is larger than the sum of its proper divisors (40277191).

219214853 is a wasteful number, since it uses less digits than its factorization.

219214853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139396 (or 139385 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 219214853 is about 14805.9060175323. The cubic root of 219214853 is about 602.9620685932.

The spelling of 219214853 in words is "two hundred nineteen million, two hundred fourteen thousand, eight hundred fifty-three".