469812613 has 4 divisors (see below), whose sum is σ = 474656140. Its totient is φ = 464969088.

The previous prime is 469812587. The next prime is 469812631. The reversal of 469812613 is 316218964.

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 162231169 + 307581444 = 12737^2 + 17538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469812613 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 (469812653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2421618 + ... + 2421811.

It is an arithmetic number, because the mean of its divisors is an integer number (118664035).

Almost surely, 2^469812613 is an apocalyptic number.

It is an amenable number.

469812613 is a deficient number, since it is larger than the sum of its proper divisors (4843527).

469812613 is an equidigital number, since it uses as much as digits as its factorization.

469812613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843526.

The product of its digits is 62208, while the sum is 40.

The square root of 469812613 is about 21675.1611989392. The cubic root of 469812613 is about 777.3946676164.

It can be divided in two parts, 46981 and 2613, that added together give a palindrome (49594).

The spelling of 469812613 in words is "four hundred sixty-nine million, eight hundred twelve thousand, six hundred thirteen".