2143881053 has 4 divisors (see below), whose sum is σ = 2180218080. Its totient is φ = 2107544028.

The previous prime is 2143881041. The next prime is 2143881059. The reversal of 2143881053 is 3501883412.

It is a happy number.

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 2143881053 - 2⁸ = 2143880797 is a prime.

It is a super-3 number, since 3×2143881053³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143881059) 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 3 ways as a sum of consecutive naturals, for example, 18168425 + ... + 18168542.

It is an arithmetic number, because the mean of its divisors is an integer number (545054520).

Almost surely, 2^2143881053 is an apocalyptic number.

It is an amenable number.

2143881053 is a deficient number, since it is larger than the sum of its proper divisors (36337027).

2143881053 is an equidigital number, since it uses as much as digits as its factorization.

2143881053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36337026.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2143881053 is about 46302.0631613754. The cubic root of 2143881053 is about 1289.4372990026.

The spelling of 2143881053 in words is "two billion, one hundred forty-three million, eight hundred eighty-one thousand, fifty-three".