8889548389 has 2 divisors, whose sum is σ = 8889548390. Its totient is φ = 8889548388.

The previous prime is 8889548377. The next prime is 8889548399. The reversal of 8889548389 is 9838459888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8490148164 + 399400225 = 92142^2 + 19985^2 .

It is a cyclic number.

It is not a de Polignac number, because 8889548389 - 2¹⁹ = 8889024101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8889548309) 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, 4444774194 + 4444774195.

It is an arithmetic number, because the mean of its divisors is an integer number (4444774195).

Almost surely, 2^8889548389 is an apocalyptic number.

It is an amenable number.

8889548389 is a deficient number, since it is larger than the sum of its proper divisors (1).

8889548389 is an equidigital number, since it uses as much as digits as its factorization.

8889548389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 159252480, while the sum is 70.

The square root of 8889548389 is about 94284.4016208408. The cubic root of 8889548389 is about 2071.5395665402.

The spelling of 8889548389 in words is "eight billion, eight hundred eighty-nine million, five hundred forty-eight thousand, three hundred eighty-nine".