8389527473 has 2 divisors, whose sum is σ = 8389527474. Its totient is φ = 8389527472.

The previous prime is 8389527437. The next prime is 8389527481. The reversal of 8389527473 is 3747259838.

Together with previous prime (8389527437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8356153744 + 33373729 = 91412^2 + 5777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8389527473 is a prime.

It is not a weakly prime, because it can be changed into another prime (8389527413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4194763736 + 4194763737.

It is an arithmetic number, because the mean of its divisors is an integer number (4194763737).

Almost surely, 2^8389527473 is an apocalyptic number.

It is an amenable number.

8389527473 is a deficient number, since it is larger than the sum of its proper divisors (1).

8389527473 is an equidigital number, since it uses as much as digits as its factorization.

8389527473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 56.

The square root of 8389527473 is about 91594.3637621879. The cubic root of 8389527473 is about 2031.9475814987.

The spelling of 8389527473 in words is "eight billion, three hundred eighty-nine million, five hundred twenty-seven thousand, four hundred seventy-three".