473309819 has 2 divisors, whose sum is σ = 473309820. Its totient is φ = 473309818.

The previous prime is 473309789. The next prime is 473309827. The reversal of 473309819 is 918903374.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 473309819 - 2²⁰ = 472261243 is a prime.

It is a super-2 number, since 2×473309819² = 448044369523625522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 473309819.

It is not a weakly prime, because it can be changed into another prime (473309219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236654909 + 236654910.

It is an arithmetic number, because the mean of its divisors is an integer number (236654910).

Almost surely, 2^473309819 is an apocalyptic number.

473309819 is a deficient number, since it is larger than the sum of its proper divisors (1).

473309819 is an equidigital number, since it uses as much as digits as its factorization.

473309819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 473309819 is about 21755.6847513472. The cubic root of 473309819 is about 779.3188327757.

The spelling of 473309819 in words is "four hundred seventy-three million, three hundred nine thousand, eight hundred nineteen".