2143004299 has 4 divisors (see below), whose sum is σ = 2146286736. Its totient is φ = 2139721864.

The previous prime is 2143004263. The next prime is 2143004333. The reversal of 2143004299 is 9924003412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143004299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143004209) 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, 1640239 + ... + 1641544.

It is an arithmetic number, because the mean of its divisors is an integer number (536571684).

Almost surely, 2^2143004299 is an apocalyptic number.

2143004299 is a deficient number, since it is larger than the sum of its proper divisors (3282437).

2143004299 is an equidigital number, since it uses as much as digits as its factorization.

2143004299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282436.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2143004299 is about 46292.5944293469. The cubic root of 2143004299 is about 1289.2615004659.

The spelling of 2143004299 in words is "two billion, one hundred forty-three million, four thousand, two hundred ninety-nine".