2256673946 has 4 divisors (see below), whose sum is σ = 3385010922. Its totient is φ = 1128336972.

The previous prime is 2256673931. The next prime is 2256673961. The reversal of 2256673946 is 6493766522.

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

It is an interprime number because it is at equal distance from previous prime (2256673931) and next prime (2256673961).

It can be written as a sum of positive squares in only one way, i.e., 2235871225 + 20802721 = 47285^2 + 4561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2256673894 and 2256673903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564168485 + ... + 564168488.

Almost surely, 2^2256673946 is an apocalyptic number.

2256673946 is a deficient number, since it is larger than the sum of its proper divisors (1128336976).

2256673946 is a wasteful number, since it uses less digits than its factorization.

2256673946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128336975.

The product of its digits is 3265920, while the sum is 50.

The square root of 2256673946 is about 47504.4623798649. The cubic root of 2256673946 is about 1311.6650246135.

The spelling of 2256673946 in words is "two billion, two hundred fifty-six million, six hundred seventy-three thousand, nine hundred forty-six".