470805913 has 2 divisors, whose sum is σ = 470805914. Its totient is φ = 470805912.

The previous prime is 470805901. The next prime is 470805917. The reversal of 470805913 is 319508074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270668304 + 200137609 = 16452^2 + 14147^2 .

It is a cyclic number.

It is not a de Polignac number, because 470805913 - 2¹³ = 470797721 is a prime.

It is not a weakly prime, because it can be changed into another prime (470805917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235402956 + 235402957.

It is an arithmetic number, because the mean of its divisors is an integer number (235402957).

Almost surely, 2^470805913 is an apocalyptic number.

It is an amenable number.

470805913 is a deficient number, since it is larger than the sum of its proper divisors (1).

470805913 is an equidigital number, since it uses as much as digits as its factorization.

470805913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 470805913 is about 21698.0624250185. The cubic root of 470805913 is about 777.9421501252.

The spelling of 470805913 in words is "four hundred seventy million, eight hundred five thousand, nine hundred thirteen".