218832960253 has 4 divisors (see below), whose sum is σ = 218834148700. Its totient is φ = 218831771808.

The previous prime is 218832960221. The next prime is 218832960289. The reversal of 218832960253 is 352069238812.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 49189473369 + 169643486884 = 221787^2 + 411878^2 .

It is a cyclic number.

It is not a de Polignac number, because 218832960253 - 2⁵ = 218832960221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 218832960197 and 218832960206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218832960053) 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, 252528 + ... + 708121.

It is an arithmetic number, because the mean of its divisors is an integer number (54708537175).

Almost surely, 2^218832960253 is an apocalyptic number.

It is an amenable number.

218832960253 is a deficient number, since it is larger than the sum of its proper divisors (1188447).

218832960253 is an equidigital number, since it uses as much as digits as its factorization.

218832960253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188446.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 218832960253 in words is "two hundred eighteen billion, eight hundred thirty-two million, nine hundred sixty thousand, two hundred fifty-three".