2256646065463 has 2 divisors, whose sum is σ = 2256646065464. Its totient is φ = 2256646065462.

The previous prime is 2256646065413. The next prime is 2256646065593. The reversal of 2256646065463 is 3645606466522.

2256646065463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2256646065463 - 2¹⁷ = 2256645934391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256646065413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128323032731 + 1128323032732.

It is an arithmetic number, because the mean of its divisors is an integer number (1128323032732).

Almost surely, 2^{2256646065463} is an apocalyptic number.

2256646065463 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256646065463 is an equidigital number, since it uses as much as digits as its factorization.

2256646065463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37324800, while the sum is 55.

The spelling of 2256646065463 in words is "two trillion, two hundred fifty-six billion, six hundred forty-six million, sixty-five thousand, four hundred sixty-three".