473599309 has 2 divisors, whose sum is σ = 473599310. Its totient is φ = 473599308.

The previous prime is 473599283. The next prime is 473599333. The reversal of 473599309 is 903995374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344844900 + 128754409 = 18570^2 + 11347^2 .

It is a cyclic number.

It is not a de Polignac number, because 473599309 - 2²³ = 465210701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473599409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236799654 + 236799655.

It is an arithmetic number, because the mean of its divisors is an integer number (236799655).

Almost surely, 2^473599309 is an apocalyptic number.

It is an amenable number.

473599309 is a deficient number, since it is larger than the sum of its proper divisors (1).

473599309 is an equidigital number, since it uses as much as digits as its factorization.

473599309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 49.

The square root of 473599309 is about 21762.3369379302. The cubic root of 473599309 is about 779.4776850539.

The spelling of 473599309 in words is "four hundred seventy-three million, five hundred ninety-nine thousand, three hundred nine".