473522909 has 2 divisors, whose sum is σ = 473522910. Its totient is φ = 473522908.

The previous prime is 473522897. The next prime is 473522957. The reversal of 473522909 is 909225374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426216025 + 47306884 = 20645^2 + 6878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473522909 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473522999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236761454 + 236761455.

It is an arithmetic number, because the mean of its divisors is an integer number (236761455).

Almost surely, 2^473522909 is an apocalyptic number.

It is an amenable number.

473522909 is a deficient number, since it is larger than the sum of its proper divisors (1).

473522909 is an equidigital number, since it uses as much as digits as its factorization.

473522909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 473522909 is about 21760.5815409423. The cubic root of 473522909 is about 779.4357682573.

The spelling of 473522909 in words is "four hundred seventy-three million, five hundred twenty-two thousand, nine hundred nine".