159284353421 has 2 divisors, whose sum is σ = 159284353422. Its totient is φ = 159284353420.

The previous prime is 159284353367. The next prime is 159284353441. The reversal of 159284353421 is 124353482951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125110764100 + 34173589321 = 353710^2 + 184861^2 .

It is a cyclic number.

It is not a de Polignac number, because 159284353421 - 2²² = 159280159117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159284353441) 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, 79642176710 + 79642176711.

It is an arithmetic number, because the mean of its divisors is an integer number (79642176711).

Almost surely, 2^159284353421 is an apocalyptic number.

It is an amenable number.

159284353421 is a deficient number, since it is larger than the sum of its proper divisors (1).

159284353421 is an equidigital number, since it uses as much as digits as its factorization.

159284353421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 47.

The spelling of 159284353421 in words is "one hundred fifty-nine billion, two hundred eighty-four million, three hundred fifty-three thousand, four hundred twenty-one".