474665813 has 2 divisors, whose sum is σ = 474665814. Its totient is φ = 474665812.

The previous prime is 474665791. The next prime is 474665837. The reversal of 474665813 is 318566474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464057764 + 10608049 = 21542^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 474665813 - 2¹⁰ = 474664789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474665413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237332906 + 237332907.

It is an arithmetic number, because the mean of its divisors is an integer number (237332907).

Almost surely, 2^474665813 is an apocalyptic number.

It is an amenable number.

474665813 is a deficient number, since it is larger than the sum of its proper divisors (1).

474665813 is an equidigital number, since it uses as much as digits as its factorization.

474665813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 474665813 is about 21786.8265931503. The cubic root of 474665813 is about 780.0623514697.

The spelling of 474665813 in words is "four hundred seventy-four million, six hundred sixty-five thousand, eight hundred thirteen".