473943917 has 2 divisors, whose sum is σ = 473943918. Its totient is φ = 473943916.

The previous prime is 473943913. The next prime is 473943929. The reversal of 473943917 is 719349374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294946276 + 178997641 = 17174^2 + 13379^2 .

It is a cyclic number.

It is not a de Polignac number, because 473943917 - 2² = 473943913 is a prime.

It is a super-2 number, since 2×473943917² = 449245672922605778, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473943913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236971958 + 236971959.

It is an arithmetic number, because the mean of its divisors is an integer number (236971959).

Almost surely, 2^473943917 is an apocalyptic number.

It is an amenable number.

473943917 is a deficient number, since it is larger than the sum of its proper divisors (1).

473943917 is an equidigital number, since it uses as much as digits as its factorization.

473943917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 47.

The square root of 473943917 is about 21770.2530302245. The cubic root of 473943917 is about 779.6666979431. Note that the first 4 decimals are identical.

The spelling of 473943917 in words is "four hundred seventy-three million, nine hundred forty-three thousand, nine hundred seventeen".