213636285853 has 4 divisors (see below), whose sum is σ = 214194083328. Its totient is φ = 213078488380.

The previous prime is 213636285803. The next prime is 213636285911. The reversal of 213636285853 is 358582636312.

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 213636285853 - 2³⁷ = 76197332381 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 213636285853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213636285803) 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, 278898163 + ... + 278898928.

It is an arithmetic number, because the mean of its divisors is an integer number (53548520832).

Almost surely, 2^213636285853 is an apocalyptic number.

It is an amenable number.

213636285853 is a deficient number, since it is larger than the sum of its proper divisors (557797475).

213636285853 is an equidigital number, since it uses as much as digits as its factorization.

213636285853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557797474.

The product of its digits is 6220800, while the sum is 52.

The spelling of 213636285853 in words is "two hundred thirteen billion, six hundred thirty-six million, two hundred eighty-five thousand, eight hundred fifty-three".