221000159459 has 2 divisors, whose sum is σ = 221000159460. Its totient is φ = 221000159458.

The previous prime is 221000159447. The next prime is 221000159483. The reversal of 221000159459 is 954951000122.

221000159459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221000159459 is a prime.

It is not a weakly prime, because it can be changed into another prime (221000159659) 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, 110500079729 + 110500079730.

It is an arithmetic number, because the mean of its divisors is an integer number (110500079730).

Almost surely, 2^221000159459 is an apocalyptic number.

221000159459 is a deficient number, since it is larger than the sum of its proper divisors (1).

221000159459 is an equidigital number, since it uses as much as digits as its factorization.

221000159459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 221000159459 in words is "two hundred twenty-one billion, one hundred fifty-nine thousand, four hundred fifty-nine".