563404563779 has 2 divisors, whose sum is σ = 563404563780. Its totient is φ = 563404563778.

The previous prime is 563404563739. The next prime is 563404563797. The reversal of 563404563779 is 977365404365.

Together with next prime (563404563797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563404563779 - 2²⁰ = 563403515203 is a prime.

It is not a weakly prime, because it can be changed into another prime (563404563739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281702281889 + 281702281890.

It is an arithmetic number, because the mean of its divisors is an integer number (281702281890).

Almost surely, 2^563404563779 is an apocalyptic number.

563404563779 is a deficient number, since it is larger than the sum of its proper divisors (1).

563404563779 is an equidigital number, since it uses as much as digits as its factorization.

563404563779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57153600, while the sum is 59.

The spelling of 563404563779 in words is "five hundred sixty-three billion, four hundred four million, five hundred sixty-three thousand, seven hundred seventy-nine".