13533223250 has 16 divisors (see below), whose sum is σ = 25334194392. Its totient is φ = 5413289200.

The previous prime is 13533223247. The next prime is 13533223307. The reversal of 13533223250 is 5232233531.

It can be written as a sum of positive squares in 4 ways, for example, as 2917836289 + 10615386961 = 54017^2 + 103031^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27066197 + ... + 27066696.

Almost surely, 2^13533223250 is an apocalyptic number.

13533223250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13533223250 is a deficient number, since it is larger than the sum of its proper divisors (11800971142).

13533223250 is an equidigital number, since it uses as much as digits as its factorization.

13533223250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54132910 (or 54132900 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 13533223250 its reverse (5232233531), we get a palindrome (18765456781).

The spelling of 13533223250 in words is "thirteen billion, five hundred thirty-three million, two hundred twenty-three thousand, two hundred fifty".