2143541353 has 8 divisors (see below), whose sum is σ = 2164183560. Its totient is φ = 2122917120.

The previous prime is 2143541347. The next prime is 2143541363. The reversal of 2143541353 is 3531453412.

It can be written as a sum of positive squares in 4 ways, for example, as 879241104 + 1264300249 = 29652^2 + 35557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143541353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143541303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459951 + ... + 464587.

It is an arithmetic number, because the mean of its divisors is an integer number (270522945).

Almost surely, 2^2143541353 is an apocalyptic number.

It is an amenable number.

2143541353 is a deficient number, since it is larger than the sum of its proper divisors (20642207).

2143541353 is a wasteful number, since it uses less digits than its factorization.

2143541353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987.

The product of its digits is 21600, while the sum is 31.

The square root of 2143541353 is about 46298.3947129919. The cubic root of 2143541353 is about 1289.3691912148.

Adding to 2143541353 its reverse (3531453412), we get a palindrome (5674994765).

The spelling of 2143541353 in words is "two billion, one hundred forty-three million, five hundred forty-one thousand, three hundred fifty-three".