2153203229 has 4 divisors (see below), whose sum is σ = 2153313084. Its totient is φ = 2153093376.

The previous prime is 2153203219. The next prime is 2153203243. The reversal of 2153203229 is 9223023512.

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 1411730329 + 741472900 = 37573^2 + 27230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153203229 - 2¹² = 2153199133 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 (2153203219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16622 + ... + 67695.

It is an arithmetic number, because the mean of its divisors is an integer number (538328271).

Almost surely, 2^2153203229 is an apocalyptic number.

It is an amenable number.

2153203229 is a deficient number, since it is larger than the sum of its proper divisors (109855).

2153203229 is an equidigital number, since it uses as much as digits as its factorization.

2153203229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109854.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2153203229 is about 46402.6209281329. The cubic root of 2153203229 is about 1291.3035376161.

The spelling of 2153203229 in words is "two billion, one hundred fifty-three million, two hundred three thousand, two hundred twenty-nine".