2011343563 has 2 divisors, whose sum is σ = 2011343564. Its totient is φ = 2011343562.

The previous prime is 2011343539. The next prime is 2011343567. The reversal of 2011343563 is 3653431102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011343563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011343567) 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, 1005671781 + 1005671782.

It is an arithmetic number, because the mean of its divisors is an integer number (1005671782).

Almost surely, 2^2011343563 is an apocalyptic number.

2011343563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011343563 is an equidigital number, since it uses as much as digits as its factorization.

2011343563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2011343563 is about 44848.0051172848. The cubic root of 2011343563 is about 1262.2985596064.

Adding to 2011343563 its reverse (3653431102), we get a palindrome (5664774665).

The spelling of 2011343563 in words is "two billion, eleven million, three hundred forty-three thousand, five hundred sixty-three".