2144104013 has 4 divisors (see below), whose sum is σ = 2144438940. Its totient is φ = 2143769088.

The previous prime is 2144104007. The next prime is 2144104019. The reversal of 2144104013 is 3104014412.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2144104007) and next prime (2144104019).

It can be written as a sum of positive squares in 2 ways, for example, as 399120484 + 1744983529 = 19978^2 + 41773^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144104013 - 2¹² = 2144099917 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 (2144104019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157670 + ... + 170727.

It is an arithmetic number, because the mean of its divisors is an integer number (536109735).

Almost surely, 2^2144104013 is an apocalyptic number.

It is an amenable number.

2144104013 is a deficient number, since it is larger than the sum of its proper divisors (334927).

2144104013 is an equidigital number, since it uses as much as digits as its factorization.

2144104013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334926.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2144104013 is about 46304.4707668709. The cubic root of 2144104013 is about 1289.4819972185.

Adding to 2144104013 its reverse (3104014412), we get a palindrome (5248118425).

The spelling of 2144104013 in words is "two billion, one hundred forty-four million, one hundred four thousand, thirteen".