406563783559 has 2 divisors, whose sum is σ = 406563783560. Its totient is φ = 406563783558.

The previous prime is 406563783449. The next prime is 406563783581. The reversal of 406563783559 is 955387365604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406563783559 - 2⁹ = 406563783047 is a prime.

It is a super-2 number, since 2×406563783559² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 406563783497 and 406563783506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406563783259) 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, 203281891779 + 203281891780.

It is an arithmetic number, because the mean of its divisors is an integer number (203281891780).

Almost surely, 2^406563783559 is an apocalyptic number.

406563783559 is a deficient number, since it is larger than the sum of its proper divisors (1).

406563783559 is an equidigital number, since it uses as much as digits as its factorization.

406563783559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648000, while the sum is 61.

The spelling of 406563783559 in words is "four hundred six billion, five hundred sixty-three million, seven hundred eighty-three thousand, five hundred fifty-nine".