2256719351 has 2 divisors, whose sum is σ = 2256719352. Its totient is φ = 2256719350.

The previous prime is 2256719347. The next prime is 2256719401. The reversal of 2256719351 is 1539176522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2256719351 - 2² = 2256719347 is a prime.

It is a super-2 number, since 2×2256719351² = 10185564458355722402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2256719299 and 2256719308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256719251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128359675 + 1128359676.

It is an arithmetic number, because the mean of its divisors is an integer number (1128359676).

Almost surely, 2^2256719351 is an apocalyptic number.

2256719351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256719351 is an equidigital number, since it uses as much as digits as its factorization.

2256719351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 2256719351 is about 47504.9402799330. The cubic root of 2256719351 is about 1311.6738215941.

The spelling of 2256719351 in words is "two billion, two hundred fifty-six million, seven hundred nineteen thousand, three hundred fifty-one".