473641613 has 4 divisors (see below), whose sum is σ = 473685180. Its totient is φ = 473598048.

The previous prime is 473641589. The next prime is 473641627. The reversal of 473641613 is 316146374.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 216295849 + 257345764 = 14707^2 + 16042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-473641613 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 (473641313) 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, 9503 + ... + 32211.

It is an arithmetic number, because the mean of its divisors is an integer number (118421295).

Almost surely, 2^473641613 is an apocalyptic number.

It is an amenable number.

473641613 is a deficient number, since it is larger than the sum of its proper divisors (43567).

473641613 is a wasteful number, since it uses less digits than its factorization.

473641613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43566.

The product of its digits is 36288, while the sum is 35.

The square root of 473641613 is about 21763.3088706658. The cubic root of 473641613 is about 779.5008931692.

Adding to 473641613 its reverse (316146374), we get a palindrome (789787987).

The spelling of 473641613 in words is "four hundred seventy-three million, six hundred forty-one thousand, six hundred thirteen".