2256449999 has 2 divisors, whose sum is σ = 2256450000. Its totient is φ = 2256449998.

The previous prime is 2256449971. The next prime is 2256450071. The reversal of 2256449999 is 9999446522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2256449999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256449969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128224999 + 1128225000.

It is an arithmetic number, because the mean of its divisors is an integer number (1128225000).

Almost surely, 2^2256449999 is an apocalyptic number.

2256449999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256449999 is an equidigital number, since it uses as much as digits as its factorization.

2256449999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12597120, while the sum is 59.

The square root of 2256449999 is about 47502.1052059801. The cubic root of 2256449999 is about 1311.6216343303.

The spelling of 2256449999 in words is "two billion, two hundred fifty-six million, four hundred forty-nine thousand, nine hundred ninety-nine".