473405813 has 2 divisors, whose sum is σ = 473405814. Its totient is φ = 473405812.

The previous prime is 473405809. The next prime is 473405903. The reversal of 473405813 is 318504374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466862449 + 6543364 = 21607^2 + 2558^2 .

It is a cyclic number.

It is not a de Polignac number, because 473405813 - 2² = 473405809 is a prime.

It is a super-2 number, since 2×473405813² = 448226127564381938, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473405213) 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, 236702906 + 236702907.

It is an arithmetic number, because the mean of its divisors is an integer number (236702907).

Almost surely, 2^473405813 is an apocalyptic number.

It is an amenable number.

473405813 is a deficient number, since it is larger than the sum of its proper divisors (1).

473405813 is an equidigital number, since it uses as much as digits as its factorization.

473405813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 473405813 is about 21757.8908214928. The cubic root of 473405813 is about 779.3715148824.

The spelling of 473405813 in words is "four hundred seventy-three million, four hundred five thousand, eight hundred thirteen".