2144848121 has 24 divisors (see below), whose sum is σ = 2354177880. Its totient is φ = 1953110016.

The previous prime is 2144848109. The next prime is 2144848171. The reversal of 2144848121 is 1218484412.

It can be written as a sum of positive squares in 12 ways, for example, as 841638121 + 1303210000 = 29011^2 + 36100^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2144848121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144848171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6075881 + ... + 6076233.

It is an arithmetic number, because the mean of its divisors is an integer number (98090745).

Almost surely, 2^2144848121 is an apocalyptic number.

It is an amenable number.

2144848121 is a deficient number, since it is larger than the sum of its proper divisors (209329759).

2144848121 is a wasteful number, since it uses less digits than its factorization.

2144848121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 752 counting only the distinct ones).

The product of its digits is 16384, while the sum is 35.

The square root of 2144848121 is about 46312.5050175436. The cubic root of 2144848121 is about 1289.6311508799.

The spelling of 2144848121 in words is "two billion, one hundred forty-four million, eight hundred forty-eight thousand, one hundred twenty-one".