463085809 has 2 divisors, whose sum is σ = 463085810. Its totient is φ = 463085808.

The previous prime is 463085807. The next prime is 463085813. The reversal of 463085809 is 908580364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398122209 + 64963600 = 19953^2 + 8060^2 .

It is a cyclic number.

It is not a de Polignac number, because 463085809 - 2¹ = 463085807 is a prime.

Together with 463085807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (463085807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231542904 + 231542905.

It is an arithmetic number, because the mean of its divisors is an integer number (231542905).

Almost surely, 2^463085809 is an apocalyptic number.

It is an amenable number.

463085809 is a deficient number, since it is larger than the sum of its proper divisors (1).

463085809 is an equidigital number, since it uses as much as digits as its factorization.

463085809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 463085809 is about 21519.4286401847. The cubic root of 463085809 is about 773.6665569796. Note that the first 3 decimals are identical.

The spelling of 463085809 in words is "four hundred sixty-three million, eighty-five thousand, eight hundred nine".