563887673851 has 2 divisors, whose sum is σ = 563887673852. Its totient is φ = 563887673850.

The previous prime is 563887673831. The next prime is 563887673887. The reversal of 563887673851 is 158376788365.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563887673851 is a prime.

It is not a weakly prime, because it can be changed into another prime (563887673831) 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, 281943836925 + 281943836926.

It is an arithmetic number, because the mean of its divisors is an integer number (281943836926).

Almost surely, 2^563887673851 is an apocalyptic number.

563887673851 is a deficient number, since it is larger than the sum of its proper divisors (1).

563887673851 is an equidigital number, since it uses as much as digits as its factorization.

563887673851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 203212800, while the sum is 67.

The spelling of 563887673851 in words is "five hundred sixty-three billion, eight hundred eighty-seven million, six hundred seventy-three thousand, eight hundred fifty-one".