2144994002 has 6 divisors (see below), whose sum is σ = 3217589253. Its totient is φ = 1072464252.

The previous prime is 2144993987. The next prime is 2144994013. The reversal of 2144994002 is 2004994412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2007846481 + 137147521 = 44809^2 + 11711^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=32749.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 49124 + ... + 81872.

Almost surely, 2^2144994002 is an apocalyptic number.

2144994002 is a deficient number, since it is larger than the sum of its proper divisors (1072595251).

2144994002 is an frugal number, since it uses more digits than its factorization.

2144994002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65500 (or 32751 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2144994002 is about 46314.0799541565. The cubic root of 2144994002 is about 1289.6603881353.

The spelling of 2144994002 in words is "two billion, one hundred forty-four million, nine hundred ninety-four thousand, two".