8485745893 has 2 divisors, whose sum is σ = 8485745894. Its totient is φ = 8485745892.

The previous prime is 8485745881. The next prime is 8485745903. The reversal of 8485745893 is 3985475848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5818333284 + 2667412609 = 76278^2 + 51647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8485745893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8485745803) 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, 4242872946 + 4242872947.

It is an arithmetic number, because the mean of its divisors is an integer number (4242872947).

Almost surely, 2^8485745893 is an apocalyptic number.

It is an amenable number.

8485745893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8485745893 is an equidigital number, since it uses as much as digits as its factorization.

8485745893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38707200, while the sum is 61.

The square root of 8485745893 is about 92118.1083880906. The cubic root of 8485745893 is about 2039.6861215310.

The spelling of 8485745893 in words is "eight billion, four hundred eighty-five million, seven hundred forty-five thousand, eight hundred ninety-three".