2128143683 has 4 divisors (see below), whose sum is σ = 2132409000. Its totient is φ = 2123878368.

The previous prime is 2128143671. The next prime is 2128143739. The reversal of 2128143683 is 3863418212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2128143683 - 2¹⁴ = 2128127299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2128143383) 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, 2131910 + ... + 2132907.

It is an arithmetic number, because the mean of its divisors is an integer number (533102250).

Almost surely, 2^2128143683 is an apocalyptic number.

2128143683 is a deficient number, since it is larger than the sum of its proper divisors (4265317).

2128143683 is an equidigital number, since it uses as much as digits as its factorization.

2128143683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265316.

The product of its digits is 55296, while the sum is 38.

The square root of 2128143683 is about 46131.8077144176. The cubic root of 2128143683 is about 1286.2744668122.

The spelling of 2128143683 in words is "two billion, one hundred twenty-eight million, one hundred forty-three thousand, six hundred eighty-three".