21282241859 has 2 divisors, whose sum is σ = 21282241860. Its totient is φ = 21282241858.

The previous prime is 21282241853. The next prime is 21282241891. The reversal of 21282241859 is 95814228212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21282241859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (21282241853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10641120929 + 10641120930.

It is an arithmetic number, because the mean of its divisors is an integer number (10641120930).

Almost surely, 2^21282241859 is an apocalyptic number.

21282241859 is a deficient number, since it is larger than the sum of its proper divisors (1).

21282241859 is an equidigital number, since it uses as much as digits as its factorization.

21282241859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 44.

The spelling of 21282241859 in words is "twenty-one billion, two hundred eighty-two million, two hundred forty-one thousand, eight hundred fifty-nine".