9475108561 has 2 divisors, whose sum is σ = 9475108562. Its totient is φ = 9475108560.

The previous prime is 9475108541. The next prime is 9475108571. The reversal of 9475108561 is 1658015749.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9439288336 + 35820225 = 97156^2 + 5985^2 .

It is a cyclic number.

It is not a de Polignac number, because 9475108561 - 2¹¹ = 9475106513 is a prime.

It is not a weakly prime, because it can be changed into another prime (9475108501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4737554280 + 4737554281.

It is an arithmetic number, because the mean of its divisors is an integer number (4737554281).

Almost surely, 2^9475108561 is an apocalyptic number.

It is an amenable number.

9475108561 is a deficient number, since it is larger than the sum of its proper divisors (1).

9475108561 is an equidigital number, since it uses as much as digits as its factorization.

9475108561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 9475108561 is about 97340.1693084618. The cubic root of 9475108561 is about 2116.0604243289.

The spelling of 9475108561 in words is "nine billion, four hundred seventy-five million, one hundred eight thousand, five hundred sixty-one".