476726689 has 2 divisors, whose sum is σ = 476726690. Its totient is φ = 476726688.

The previous prime is 476726609. The next prime is 476726707. The reversal of 476726689 is 986627674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442387089 + 34339600 = 21033^2 + 5860^2 .

It is a cyclic number.

It is not a de Polignac number, because 476726689 - 2¹¹ = 476724641 is a prime.

It is not a weakly prime, because it can be changed into another prime (476726609) 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, 238363344 + 238363345.

It is an arithmetic number, because the mean of its divisors is an integer number (238363345).

Almost surely, 2^476726689 is an apocalyptic number.

It is an amenable number.

476726689 is a deficient number, since it is larger than the sum of its proper divisors (1).

476726689 is an equidigital number, since it uses as much as digits as its factorization.

476726689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 55.

The square root of 476726689 is about 21834.0717457830. The cubic root of 476726689 is about 781.1896644263.

The spelling of 476726689 in words is "four hundred seventy-six million, seven hundred twenty-six thousand, six hundred eighty-nine".