464816813 has 2 divisors, whose sum is σ = 464816814. Its totient is φ = 464816812.

The previous prime is 464816749. The next prime is 464816819. The reversal of 464816813 is 318618464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458730724 + 6086089 = 21418^2 + 2467^2 .

It is a cyclic number.

It is not a de Polignac number, because 464816813 - 2⁶ = 464816749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464816819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232408406 + 232408407.

It is an arithmetic number, because the mean of its divisors is an integer number (232408407).

Almost surely, 2^464816813 is an apocalyptic number.

It is an amenable number.

464816813 is a deficient number, since it is larger than the sum of its proper divisors (1).

464816813 is an equidigital number, since it uses as much as digits as its factorization.

464816813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 464816813 is about 21559.6106875797. The cubic root of 464816813 is about 774.6293408940.

The spelling of 464816813 in words is "four hundred sixty-four million, eight hundred sixteen thousand, eight hundred thirteen".