2144575893 has 4 divisors (see below), whose sum is σ = 2859434528. Its totient is φ = 1429717260.

The previous prime is 2144575879. The next prime is 2144575933. The reversal of 2144575893 is 3985754412.

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 not a de Polignac number, because 2144575893 - 2¹² = 2144571797 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 (2144575793) 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, 357429313 + ... + 357429318.

It is an arithmetic number, because the mean of its divisors is an integer number (714858632).

Almost surely, 2^2144575893 is an apocalyptic number.

It is an amenable number.

2144575893 is a deficient number, since it is larger than the sum of its proper divisors (714858635).

2144575893 is an equidigital number, since it uses as much as digits as its factorization.

2144575893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714858634.

The product of its digits is 1209600, while the sum is 48.

The square root of 2144575893 is about 46309.5658908610. The cubic root of 2144575893 is about 1289.5765877993.

The spelling of 2144575893 in words is "two billion, one hundred forty-four million, five hundred seventy-five thousand, eight hundred ninety-three".