8492281489 has 2 divisors, whose sum is σ = 8492281490. Its totient is φ = 8492281488.

The previous prime is 8492281487. The next prime is 8492281543. The reversal of 8492281489 is 9841822948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7230611089 + 1261670400 = 85033^2 + 35520^2 .

It is a cyclic number.

It is not a de Polignac number, because 8492281489 - 2¹ = 8492281487 is a prime.

Together with 8492281487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8492281487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4246140744 + 4246140745.

It is an arithmetic number, because the mean of its divisors is an integer number (4246140745).

Almost surely, 2^8492281489 is an apocalyptic number.

It is an amenable number.

8492281489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8492281489 is an equidigital number, since it uses as much as digits as its factorization.

8492281489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 55.

The square root of 8492281489 is about 92153.5755627529. The cubic root of 8492281489 is about 2040.2096325165.

The spelling of 8492281489 in words is "eight billion, four hundred ninety-two million, two hundred eighty-one thousand, four hundred eighty-nine".