2256473347 has 4 divisors (see below), whose sum is σ = 2261709216. Its totient is φ = 2251237480.

The previous prime is 2256473341. The next prime is 2256473363. The reversal of 2256473347 is 7433746522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7433746522 = 2 ⋅3716873261.

It is a cyclic number.

It is not a de Polignac number, because 2256473347 - 2³ = 2256473339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256473341) 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, 2617288 + ... + 2618149.

It is an arithmetic number, because the mean of its divisors is an integer number (565427304).

Almost surely, 2^2256473347 is an apocalyptic number.

2256473347 is a deficient number, since it is larger than the sum of its proper divisors (5235869).

2256473347 is an equidigital number, since it uses as much as digits as its factorization.

2256473347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235868.

The product of its digits is 846720, while the sum is 43.

The square root of 2256473347 is about 47502.3509628734. The cubic root of 2256473347 is about 1311.6261581969.

The spelling of 2256473347 in words is "two billion, two hundred fifty-six million, four hundred seventy-three thousand, three hundred forty-seven".