2056646341 has 2 divisors, whose sum is σ = 2056646342. Its totient is φ = 2056646340.

The previous prime is 2056646321. The next prime is 2056646357. The reversal of 2056646341 is 1436466502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1276561441 + 780084900 = 35729^2 + 27930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056646341 - 2⁵ = 2056646309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2056646341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056646311) 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, 1028323170 + 1028323171.

It is an arithmetic number, because the mean of its divisors is an integer number (1028323171).

Almost surely, 2^2056646341 is an apocalyptic number.

It is an amenable number.

2056646341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056646341 is an equidigital number, since it uses as much as digits as its factorization.

2056646341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2056646341 is about 45350.2628548060. The cubic root of 2056646341 is about 1271.7054692741.

The spelling of 2056646341 in words is "two billion, fifty-six million, six hundred forty-six thousand, three hundred forty-one".