2256219893 has 2 divisors, whose sum is σ = 2256219894. Its totient is φ = 2256219892.

The previous prime is 2256219883. The next prime is 2256219941. The reversal of 2256219893 is 3989126522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2147580964 + 108638929 = 46342^2 + 10423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256219893 - 2⁴ = 2256219877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256219863) 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, 1128109946 + 1128109947.

It is an arithmetic number, because the mean of its divisors is an integer number (1128109947).

Almost surely, 2^2256219893 is an apocalyptic number.

It is an amenable number.

2256219893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256219893 is an equidigital number, since it uses as much as digits as its factorization.

2256219893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The square root of 2256219893 is about 47499.6830831533. The cubic root of 2256219893 is about 1311.5770477352.

The spelling of 2256219893 in words is "two billion, two hundred fifty-six million, two hundred nineteen thousand, eight hundred ninety-three".