463422809 has 2 divisors, whose sum is σ = 463422810. Its totient is φ = 463422808.

The previous prime is 463422779. The next prime is 463422821. The reversal of 463422809 is 908224364.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455694409 + 7728400 = 21347^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 463422809 - 2²⁰ = 462374233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (463422859) 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, 231711404 + 231711405.

It is an arithmetic number, because the mean of its divisors is an integer number (231711405).

Almost surely, 2^463422809 is an apocalyptic number.

It is an amenable number.

463422809 is a deficient number, since it is larger than the sum of its proper divisors (1).

463422809 is an equidigital number, since it uses as much as digits as its factorization.

463422809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 463422809 is about 21527.2573496951. The cubic root of 463422809 is about 773.8541841281.

The spelling of 463422809 in words is "four hundred sixty-three million, four hundred twenty-two thousand, eight hundred nine".