9565620461 has 2 divisors, whose sum is σ = 9565620462. Its totient is φ = 9565620460.

The previous prime is 9565620349. The next prime is 9565620521. The reversal of 9565620461 is 1640265659.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8751602500 + 814017961 = 93550^2 + 28531^2 .

It is a cyclic number.

It is not a de Polignac number, because 9565620461 - 2¹⁸ = 9565358317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9565620161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4782810230 + 4782810231.

It is an arithmetic number, because the mean of its divisors is an integer number (4782810231).

Almost surely, 2^9565620461 is an apocalyptic number.

It is an amenable number.

9565620461 is a deficient number, since it is larger than the sum of its proper divisors (1).

9565620461 is an equidigital number, since it uses as much as digits as its factorization.

9565620461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 9565620461 is about 97803.9900055207. The cubic root of 9565620461 is about 2122.7770404325. Note that the first 3 decimals are identical.

The spelling of 9565620461 in words is "nine billion, five hundred sixty-five million, six hundred twenty thousand, four hundred sixty-one".