473396309 has 2 divisors, whose sum is σ = 473396310. Its totient is φ = 473396308.

The previous prime is 473396299. The next prime is 473396311. The reversal of 473396309 is 903693374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472192900 + 1203409 = 21730^2 + 1097^2 .

It is a cyclic number.

It is not a de Polignac number, because 473396309 - 2²⁸ = 204960853 is a prime.

Together with 473396311, it forms a pair of twin primes.

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 473396309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473396359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236698154 + 236698155.

It is an arithmetic number, because the mean of its divisors is an integer number (236698155).

Almost surely, 2^473396309 is an apocalyptic number.

It is an amenable number.

473396309 is a deficient number, since it is larger than the sum of its proper divisors (1).

473396309 is an equidigital number, since it uses as much as digits as its factorization.

473396309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 44.

The square root of 473396309 is about 21757.6724168740. The cubic root of 473396309 is about 779.3662993455.

The spelling of 473396309 in words is "four hundred seventy-three million, three hundred ninety-six thousand, three hundred nine".