8674723489 has 2 divisors, whose sum is σ = 8674723490. Its totient is φ = 8674723488.

The previous prime is 8674723487. The next prime is 8674723531. The reversal of 8674723489 is 9843274768.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6641435025 + 2033288464 = 81495^2 + 45092^2 .

It is a cyclic number.

It is not a de Polignac number, because 8674723489 - 2¹ = 8674723487 is a prime.

It is a super-2 number, since 2×8674723489² (a number of 21 digits) contains 22 as substring.

Together with 8674723487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8674723481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4337361744 + 4337361745.

It is an arithmetic number, because the mean of its divisors is an integer number (4337361745).

Almost surely, 2^8674723489 is an apocalyptic number.

It is an amenable number.

8674723489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8674723489 is an equidigital number, since it uses as much as digits as its factorization.

8674723489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 58.

The square root of 8674723489 is about 93138.1956503346. The cubic root of 8674723489 is about 2054.7163658798.

The spelling of 8674723489 in words is "eight billion, six hundred seventy-four million, seven hundred twenty-three thousand, four hundred eighty-nine".