89628425348509 has 2 divisors, whose sum is σ = 89628425348510. Its totient is φ = 89628425348508.

The previous prime is 89628425348503. The next prime is 89628425348533. The reversal of 89628425348509 is 90584352482698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73954031720409 + 15674393628100 = 8599653^2 + 3959090^2 .

It is a cyclic number.

It is not a de Polignac number, because 89628425348509 - 2³¹ = 89626277864861 is a prime.

It is a super-3 number, since 3×89628425348509³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89628425348503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44814212674254 + 44814212674255.

It is an arithmetic number, because the mean of its divisors is an integer number (44814212674255).

Almost surely, 2^{89628425348509} is an apocalyptic number.

It is an amenable number.

89628425348509 is a deficient number, since it is larger than the sum of its proper divisors (1).

89628425348509 is an equidigital number, since it uses as much as digits as its factorization.

89628425348509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1194393600, while the sum is 73.

The spelling of 89628425348509 in words is "eighty-nine trillion, six hundred twenty-eight billion, four hundred twenty-five million, three hundred forty-eight thousand, five hundred nine".