2143316808 has 32 divisors (see below), whose sum is σ = 5953658400. Its totient is φ = 714438864.

The previous prime is 2143316789. The next prime is 2143316827. The reversal of 2143316808 is 8086133412.

It is an interprime number because it is at equal distance from previous prime (2143316789) and next prime (2143316827).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 4961166 + ... + 4961597.

It is an arithmetic number, because the mean of its divisors is an integer number (186051825).

Almost surely, 2^2143316808 is an apocalyptic number.

It is an amenable number.

2143316808 is an abundant number, since it is smaller than the sum of its proper divisors (3810341592).

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

2143316808 is a wasteful number, since it uses less digits than its factorization.

2143316808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922778 (or 9922768 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2143316808 is about 46295.9696733960. The cubic root of 2143316808 is about 1289.3241673551.

The spelling of 2143316808 in words is "two billion, one hundred forty-three million, three hundred sixteen thousand, eight hundred eight".