2144187008 has 16 divisors (see below), whose sum is σ = 4271622810. Its totient is φ = 1072093440.

The previous prime is 2144186971. The next prime is 2144187041. The reversal of 2144187008 is 8007814412.

It can be written as a sum of positive squares in only one way, i.e., 2013496384 + 130690624 = 44872^2 + 11432^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 8375603 + ... + 8375858.

Almost surely, 2^2144187008 is an apocalyptic number.

It is an amenable number.

2144187008 is a deficient number, since it is larger than the sum of its proper divisors (2127435802).

2144187008 is an equidigital number, since it uses as much as digits as its factorization.

2144187008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16751475 (or 16751463 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 2144187008 is about 46305.3669459599. The cubic root of 2144187008 is about 1289.4986349651.

The spelling of 2144187008 in words is "two billion, one hundred forty-four million, one hundred eighty-seven thousand, eight".