2144343290 has 16 divisors (see below), whose sum is σ = 3875838120. Its totient is φ = 854177280.

The previous prime is 2144343283. The next prime is 2144343319. The reversal of 2144343290 is 923434412.

It can be written as a sum of positive squares in 4 ways, for example, as 1609855129 + 534488161 = 40123^2 + 23119^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442475 + ... + 447294.

Almost surely, 2^2144343290 is an apocalyptic number.

2144343290 is a deficient number, since it is larger than the sum of its proper divisors (1731494830).

2144343290 is a wasteful number, since it uses less digits than its factorization.

2144343290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890017.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2144343290 is about 46307.0544301837. The cubic root of 2144343290 is about 1289.5299631606.

The spelling of 2144343290 in words is "two billion, one hundred forty-four million, three hundred forty-three thousand, two hundred ninety".