475366748609 has 2 divisors, whose sum is σ = 475366748610. Its totient is φ = 475366748608.

The previous prime is 475366748503. The next prime is 475366748641. The reversal of 475366748609 is 906847663574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314325058609 + 161041690000 = 560647^2 + 401300^2 .

It is a cyclic number.

It is not a de Polignac number, because 475366748609 - 2¹⁶ = 475366683073 is a prime.

It is not a weakly prime, because it can be changed into another prime (475366748669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237683374304 + 237683374305.

It is an arithmetic number, because the mean of its divisors is an integer number (237683374305).

Almost surely, 2^475366748609 is an apocalyptic number.

It is an amenable number.

475366748609 is a deficient number, since it is larger than the sum of its proper divisors (1).

475366748609 is an equidigital number, since it uses as much as digits as its factorization.

475366748609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 182891520, while the sum is 65.

The spelling of 475366748609 in words is "four hundred seventy-five billion, three hundred sixty-six million, seven hundred forty-eight thousand, six hundred nine".