2256842843 has 12 divisors (see below), whose sum is σ = 2351490960. Its totient is φ = 2165837856.

The previous prime is 2256842839. The next prime is 2256842897. The reversal of 2256842843 is 3482486522.

It is not a de Polignac number, because 2256842843 - 2² = 2256842839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2256842794 and 2256842803.

It is not an unprimeable number, because it can be changed into a prime (2256842443) 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 11 ways as a sum of consecutive naturals, for example, 132413 + ... + 148481.

It is an arithmetic number, because the mean of its divisors is an integer number (195957580).

Almost surely, 2^2256842843 is an apocalyptic number.

2256842843 is a deficient number, since it is larger than the sum of its proper divisors (94648117).

2256842843 is a wasteful number, since it uses less digits than its factorization.

2256842843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16294 (or 16265 counting only the distinct ones).

The product of its digits is 737280, while the sum is 44.

The square root of 2256842843 is about 47506.2400427565. The cubic root of 2256842843 is about 1311.6977469246.

The spelling of 2256842843 in words is "two billion, two hundred fifty-six million, eight hundred forty-two thousand, eight hundred forty-three".