563721338879 has 2 divisors, whose sum is σ = 563721338880. Its totient is φ = 563721338878.

The previous prime is 563721338863. The next prime is 563721338891. The reversal of 563721338879 is 978833127365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563721338879 - 2⁴ = 563721338863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563721338819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281860669439 + 281860669440.

It is an arithmetic number, because the mean of its divisors is an integer number (281860669440).

Almost surely, 2^563721338879 is an apocalyptic number.

563721338879 is a deficient number, since it is larger than the sum of its proper divisors (1).

563721338879 is an equidigital number, since it uses as much as digits as its factorization.

563721338879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 62.

The spelling of 563721338879 in words is "five hundred sixty-three billion, seven hundred twenty-one million, three hundred thirty-eight thousand, eight hundred seventy-nine".