219238853 has 4 divisors (see below), whose sum is σ = 230777760. Its totient is φ = 207699948.

The previous prime is 219238823. The next prime is 219238889. The reversal of 219238853 is 358832912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 219238853 - 2²⁰ = 218190277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 219238853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219238813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5769425 + ... + 5769462.

It is an arithmetic number, because the mean of its divisors is an integer number (57694440).

Almost surely, 2^219238853 is an apocalyptic number.

It is an amenable number.

219238853 is a deficient number, since it is larger than the sum of its proper divisors (11538907).

219238853 is a wasteful number, since it uses less digits than its factorization.

219238853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11538906.

The product of its digits is 103680, while the sum is 41.

The square root of 219238853 is about 14806.7164827317. The cubic root of 219238853 is about 602.9840722141.

The spelling of 219238853 in words is "two hundred nineteen million, two hundred thirty-eight thousand, eight hundred fifty-three".