9055641689 has 2 divisors, whose sum is σ = 9055641690. Its totient is φ = 9055641688.

The previous prime is 9055641671. The next prime is 9055641697. The reversal of 9055641689 is 9861465509.

It is a happy number.

9055641689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7829241289 + 1226400400 = 88483^2 + 35020^2 .

It is a cyclic number.

It is not a de Polignac number, because 9055641689 - 2²⁴ = 9038864473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9055641689.

It is not a weakly prime, because it can be changed into another prime (9055641389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4527820844 + 4527820845.

It is an arithmetic number, because the mean of its divisors is an integer number (4527820845).

Almost surely, 2^9055641689 is an apocalyptic number.

It is an amenable number.

9055641689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9055641689 is an equidigital number, since it uses as much as digits as its factorization.

9055641689 is an odious number, because the sum of its binary digits is odd.

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

The square root of 9055641689 is about 95161.1353915032. The cubic root of 9055641689 is about 2084.3616629389.

The spelling of 9055641689 in words is "nine billion, fifty-five million, six hundred forty-one thousand, six hundred eighty-nine".