9654649565 has 16 divisors (see below), whose sum is σ = 12735302976. Its totient is φ = 6967958400.

The previous prime is 9654649513. The next prime is 9654649583. The reversal of 9654649565 is 5659464569.

It is not a de Polignac number, because 9654649565 - 2¹⁴ = 9654633181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662792 + ... + 677201.

It is an arithmetic number, because the mean of its divisors is an integer number (795956436).

Almost surely, 2^9654649565 is an apocalyptic number.

It is an amenable number.

9654649565 is a deficient number, since it is larger than the sum of its proper divisors (3080653411).

9654649565 is a wasteful number, since it uses less digits than its factorization.

9654649565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340140.

The product of its digits is 34992000, while the sum is 59.

The square root of 9654649565 is about 98258.0763347217. The cubic root of 9654649565 is about 2129.3424145804.

The spelling of 9654649565 in words is "nine billion, six hundred fifty-four million, six hundred forty-nine thousand, five hundred sixty-five".