8765485649 has 2 divisors, whose sum is σ = 8765485650. Its totient is φ = 8765485648.

The previous prime is 8765485609. The next prime is 8765485661. The reversal of 8765485649 is 9465845678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7804485649 + 961000000 = 88343^2 + 31000^2 .

It is a cyclic number.

It is not a de Polignac number, because 8765485649 - 2¹⁶ = 8765420113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8765485591 and 8765485600.

It is not a weakly prime, because it can be changed into another prime (8765485609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4382742824 + 4382742825.

It is an arithmetic number, because the mean of its divisors is an integer number (4382742825).

Almost surely, 2^8765485649 is an apocalyptic number.

It is an amenable number.

8765485649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8765485649 is an equidigital number, since it uses as much as digits as its factorization.

8765485649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58060800, while the sum is 62.

The square root of 8765485649 is about 93624.1723541522. The cubic root of 8765485649 is about 2061.8575673290.

The spelling of 8765485649 in words is "eight billion, seven hundred sixty-five million, four hundred eighty-five thousand, six hundred forty-nine".