2056843688 has 16 divisors (see below), whose sum is σ = 3859104480. Its totient is φ = 1027749168.

The previous prime is 2056843673. The next prime is 2056843697. The reversal of 2056843688 is 8863486502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70970 + ... + 95657.

It is an arithmetic number, because the mean of its divisors is an integer number (241194030).

Almost surely, 2^2056843688 is an apocalyptic number.

It is an amenable number.

2056843688 is a deficient number, since it is larger than the sum of its proper divisors (1802260792).

2056843688 is a wasteful number, since it uses less digits than its factorization.

2056843688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168176 (or 168172 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The square root of 2056843688 is about 45352.4386113911. The cubic root of 2056843688 is about 1271.7461437818.

The spelling of 2056843688 in words is "two billion, fifty-six million, eight hundred forty-three thousand, six hundred eighty-eight".