473463509 has 2 divisors, whose sum is σ = 473463510. Its totient is φ = 473463508.

The previous prime is 473463491. The next prime is 473463553. The reversal of 473463509 is 905364374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342361009 + 131102500 = 18503^2 + 11450^2 .

It is a cyclic number.

It is not a de Polignac number, because 473463509 - 2²⁰ = 472414933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473463709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236731754 + 236731755.

It is an arithmetic number, because the mean of its divisors is an integer number (236731755).

Almost surely, 2^473463509 is an apocalyptic number.

It is an amenable number.

473463509 is a deficient number, since it is larger than the sum of its proper divisors (1).

473463509 is an equidigital number, since it uses as much as digits as its factorization.

473463509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 473463509 is about 21759.2166449070. The cubic root of 473463509 is about 779.4031753810.

The spelling of 473463509 in words is "four hundred seventy-three million, four hundred sixty-three thousand, five hundred nine".