421632000089 has 2 divisors, whose sum is σ = 421632000090. Its totient is φ = 421632000088.

The previous prime is 421632000019. The next prime is 421632000199. The reversal of 421632000089 is 980000236124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418706055625 + 2925944464 = 647075^2 + 54092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421632000089 is a prime.

It is not a weakly prime, because it can be changed into another prime (421632000019) 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, 210816000044 + 210816000045.

It is an arithmetic number, because the mean of its divisors is an integer number (210816000045).

Almost surely, 2^421632000089 is an apocalyptic number.

It is an amenable number.

421632000089 is a deficient number, since it is larger than the sum of its proper divisors (1).

421632000089 is an equidigital number, since it uses as much as digits as its factorization.

421632000089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 421632000089 in words is "four hundred twenty-one billion, six hundred thirty-two million, eighty-nine", and thus it is an aban number.