2143879300 has 18 divisors (see below), whose sum is σ = 4652218298. Its totient is φ = 857551680.

The previous prime is 2143879277. The next prime is 2143879303. The reversal of 2143879300 is 39783412.

It can be written as a sum of positive squares in 3 ways, for example, as 4096 + 2143875204 = 64^2 + 46302^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2143879300.

It is not an unprimeable number, because it can be changed into a prime (2143879303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10719297 + ... + 10719496.

Almost surely, 2^2143879300 is an apocalyptic number.

2143879300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143879300 is an abundant number, since it is smaller than the sum of its proper divisors (2508338998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143879300 is a wasteful number, since it uses less digits than its factorization.

2143879300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21438807 (or 21438800 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2143879300 is about 46302.0442313296. The cubic root of 2143879300 is about 1289.4369475552.

The spelling of 2143879300 in words is "two billion, one hundred forty-three million, eight hundred seventy-nine thousand, three hundred".