9695518649 has 8 divisors (see below), whose sum is σ = 9712460520. Its totient is φ = 9678592000.

The previous prime is 9695518643. The next prime is 9695518661. The reversal of 9695518649 is 9468155969.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4494400 + 9691024249 = 2120^2 + 98443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9695518649 - 2³² = 5400551353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9695518591 and 9695518600.

It is not an unprimeable number, because it can be changed into a prime (9695518643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465717 + ... + 2469645.

It is an arithmetic number, because the mean of its divisors is an integer number (1214057565).

Almost surely, 2^9695518649 is an apocalyptic number.

It is an amenable number.

9695518649 is a deficient number, since it is larger than the sum of its proper divisors (16941871).

9695518649 is a wasteful number, since it uses less digits than its factorization.

9695518649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7611.

The product of its digits is 20995200, while the sum is 62.

The square root of 9695518649 is about 98465.8247769245. The cubic root of 9695518649 is about 2132.3427571364.

The spelling of 9695518649 in words is "nine billion, six hundred ninety-five million, five hundred eighteen thousand, six hundred forty-nine".