9561065242 has 4 divisors (see below), whose sum is σ = 14341597866. Its totient is φ = 4780532620.

The previous prime is 9561065161. The next prime is 9561065243. The reversal of 9561065242 is 2425601659.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2425601659 = 13 ⋅186584743.

It can be written as a sum of positive squares in only one way, i.e., 6398240121 + 3162825121 = 79989^2 + 56239^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9561065195 and 9561065204.

It is not an unprimeable number, because it can be changed into a prime (9561065243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390266309 + ... + 2390266312.

Almost surely, 2^9561065242 is an apocalyptic number.

9561065242 is a deficient number, since it is larger than the sum of its proper divisors (4780532624).

9561065242 is a wasteful number, since it uses less digits than its factorization.

9561065242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780532623.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 9561065242 is about 97780.6997418202. The cubic root of 9561065242 is about 2122.4400262373.

The spelling of 9561065242 in words is "nine billion, five hundred sixty-one million, sixty-five thousand, two hundred forty-two".