2143879299 has 32 divisors (see below), whose sum is σ = 3445001280. Its totient is φ = 1312358400.

The previous prime is 2143879277. The next prime is 2143879303. The reversal of 2143879299 is 9929783412.

It is not a de Polignac number, because 2143879299 - 2⁵ = 2143879267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143879219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38142 + ... + 75779.

It is an arithmetic number, because the mean of its divisors is an integer number (107656290).

Almost surely, 2^2143879299 is an apocalyptic number.

2143879299 is a deficient number, since it is larger than the sum of its proper divisors (1301121981).

2143879299 is a wasteful number, since it uses less digits than its factorization.

2143879299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113988 (or 113982 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 2143879299 is about 46302.0442205309. The cubic root of 2143879299 is about 1289.4369473547.

The spelling of 2143879299 in words is "two billion, one hundred forty-three million, eight hundred seventy-nine thousand, two hundred ninety-nine".