563949011 has 2 divisors, whose sum is σ = 563949012. Its totient is φ = 563949010.

The previous prime is 563948989. The next prime is 563949031. The reversal of 563949011 is 110949365.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563949011 is a prime.

It is not a weakly prime, because it can be changed into another prime (563949031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281974505 + 281974506.

It is an arithmetic number, because the mean of its divisors is an integer number (281974506).

Almost surely, 2^563949011 is an apocalyptic number.

563949011 is a deficient number, since it is larger than the sum of its proper divisors (1).

563949011 is an equidigital number, since it uses as much as digits as its factorization.

563949011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 563949011 is about 23747.6106377042. The cubic root of 563949011 is about 826.1900235463.

The spelling of 563949011 in words is "five hundred sixty-three million, nine hundred forty-nine thousand, eleven".