463516813 has 2 divisors, whose sum is σ = 463516814. Its totient is φ = 463516812.

The previous prime is 463516811. The next prime is 463516817. The reversal of 463516813 is 318615364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404733924 + 58782889 = 20118^2 + 7667^2 .

It is a cyclic number.

It is not a de Polignac number, because 463516813 - 2¹ = 463516811 is a prime.

Together with 463516811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463516811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231758406 + 231758407.

It is an arithmetic number, because the mean of its divisors is an integer number (231758407).

Almost surely, 2^463516813 is an apocalyptic number.

It is an amenable number.

463516813 is a deficient number, since it is larger than the sum of its proper divisors (1).

463516813 is an equidigital number, since it uses as much as digits as its factorization.

463516813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 463516813 is about 21529.4406104757. The cubic root of 463516813 is about 773.9065052979.

The spelling of 463516813 in words is "four hundred sixty-three million, five hundred sixteen thousand, eight hundred thirteen".