8789049281 has 2 divisors, whose sum is σ = 8789049282. Its totient is φ = 8789049280.

The previous prime is 8789049259. The next prime is 8789049293. The reversal of 8789049281 is 1829409878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8742250000 + 46799281 = 93500^2 + 6841^2 .

It is a cyclic number.

It is not a de Polignac number, because 8789049281 - 2²⁶ = 8721940417 is a prime.

It is a super-2 number, since 2×8789049281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8789049251) 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, 4394524640 + 4394524641.

It is an arithmetic number, because the mean of its divisors is an integer number (4394524641).

Almost surely, 2^8789049281 is an apocalyptic number.

It is an amenable number.

8789049281 is a deficient number, since it is larger than the sum of its proper divisors (1).

8789049281 is an equidigital number, since it uses as much as digits as its factorization.

8789049281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The square root of 8789049281 is about 93749.9294986402. The cubic root of 8789049281 is about 2063.7034959352.

The spelling of 8789049281 in words is "eight billion, seven hundred eighty-nine million, forty-nine thousand, two hundred eighty-one".