431766473 has 2 divisors, whose sum is σ = 431766474. Its totient is φ = 431766472.

The previous prime is 431766451. The next prime is 431766541. The reversal of 431766473 is 374667134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342879289 + 88887184 = 18517^2 + 9428^2 .

It is a cyclic number.

It is not a de Polignac number, because 431766473 - 2¹⁰ = 431765449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 431766473.

It is not a weakly prime, because it can be changed into another prime (431766403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215883236 + 215883237.

It is an arithmetic number, because the mean of its divisors is an integer number (215883237).

Almost surely, 2^431766473 is an apocalyptic number.

It is an amenable number.

431766473 is a deficient number, since it is larger than the sum of its proper divisors (1).

431766473 is an equidigital number, since it uses as much as digits as its factorization.

431766473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 41.

The square root of 431766473 is about 20778.9911449040. The cubic root of 431766473 is about 755.8163898371.

The spelling of 431766473 in words is "four hundred thirty-one million, seven hundred sixty-six thousand, four hundred seventy-three".