8585319649 has 3 divisors (see below), whose sum is σ = 8585412307. Its totient is φ = 8585226992.

The previous prime is 8585319647. The next prime is 8585319667. The reversal of 8585319649 is 9469135858.

The square root of 8585319649 is 92657.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 6818630625 + 1766689024 = 82575^2 + 42032^2 .

It is not a de Polignac number, because 8585319649 - 2¹ = 8585319647 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8585319593 and 8585319602.

It is not an unprimeable number, because it can be changed into a prime (8585319643) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 46329 + ... + 138985.

Almost surely, 2^8585319649 is an apocalyptic number.

8585319649 is the 92657-th square number.

8585319649 is the 46329-th centered octagonal number.

It is an amenable number.

8585319649 is a deficient number, since it is larger than the sum of its proper divisors (92658).

8585319649 is an frugal number, since it uses more digits than its factorization.

8585319649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185314 (or 92657 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 58.

The cubic root of 8585319649 is about 2047.6331715817.

The spelling of 8585319649 in words is "eight billion, five hundred eighty-five million, three hundred nineteen thousand, six hundred forty-nine".