464237813 has 4 divisors (see below), whose sum is σ = 499948428. Its totient is φ = 428527200.

The previous prime is 464237791. The next prime is 464237843. The reversal of 464237813 is 318732464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 249703204 + 214534609 = 15802^2 + 14647^2 .

It is a cyclic number.

It is not a de Polignac number, because 464237813 - 2¹⁰ = 464236789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464237843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17855288 + ... + 17855313.

It is an arithmetic number, because the mean of its divisors is an integer number (124987107).

Almost surely, 2^464237813 is an apocalyptic number.

It is an amenable number.

464237813 is a deficient number, since it is larger than the sum of its proper divisors (35710615).

464237813 is a wasteful number, since it uses less digits than its factorization.

464237813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35710614.

The product of its digits is 96768, while the sum is 38.

The square root of 464237813 is about 21546.1786171005. The cubic root of 464237813 is about 774.3075677179.

The spelling of 464237813 in words is "four hundred sixty-four million, two hundred thirty-seven thousand, eight hundred thirteen".