2256673869 has 12 divisors (see below), whose sum is σ = 3305551392. Its totient is φ = 1483259400.

The previous prime is 2256673843. The next prime is 2256673873. The reversal of 2256673869 is 9683766522.

2256673869 is a `hidden beast` number, since 2 + 2 + 566 + 73 + 8 + 6 + 9 = 666.

It is not a de Polignac number, because 2256673869 - 2⁹ = 2256673357 is a prime.

It is a super-2 number, since 2×2256673869² = 10185153902054858322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256673829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1765147 + ... + 1766424.

It is an arithmetic number, because the mean of its divisors is an integer number (275462616).

Almost surely, 2^2256673869 is an apocalyptic number.

It is an amenable number.

2256673869 is a deficient number, since it is larger than the sum of its proper divisors (1048877523).

2256673869 is a wasteful number, since it uses less digits than its factorization.

2256673869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531648 (or 3531645 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 2256673869 is about 47504.4615694147. The cubic root of 2256673869 is about 1311.6650096951.

The spelling of 2256673869 in words is "two billion, two hundred fifty-six million, six hundred seventy-three thousand, eight hundred sixty-nine".