9659548061 has 2 divisors, whose sum is σ = 9659548062. Its totient is φ = 9659548060.

The previous prime is 9659548049. The next prime is 9659548091. The reversal of 9659548061 is 1608459569.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7294184836 + 2365363225 = 85406^2 + 48635^2 .

It is an emirp because it is prime and its reverse (1608459569) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9659548061 - 2¹⁴ = 9659531677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9659547994 and 9659548012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9659548091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4829774030 + 4829774031.

It is an arithmetic number, because the mean of its divisors is an integer number (4829774031).

Almost surely, 2^9659548061 is an apocalyptic number.

It is an amenable number.

9659548061 is a deficient number, since it is larger than the sum of its proper divisors (1).

9659548061 is an equidigital number, since it uses as much as digits as its factorization.

9659548061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 9659548061 is about 98282.9998575542. Note that the first 3 decimals coincide. The cubic root of 9659548061 is about 2129.7024763885.

The spelling of 9659548061 in words is "nine billion, six hundred fifty-nine million, five hundred forty-eight thousand, sixty-one".