475561448613 has 36 divisors (see below), whose sum is σ = 738657829260. Its totient is φ = 294687424512.

The previous prime is 475561448597. The next prime is 475561448633. The reversal of 475561448613 is 316844165574.

475561448613 is a `hidden beast` number, since 4 + 7 + 5 + 5 + 6 + 14 + 4 + 8 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 370519342209 + 105042106404 = 608703^2 + 324102^2 .

It is not a de Polignac number, because 475561448613 - 2⁴ = 475561448597 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 475561448613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475561448633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1208668 + ... + 1553061.

It is an arithmetic number, because the mean of its divisors is an integer number (20518273035).

Almost surely, 2^475561448613 is an apocalyptic number.

It is an amenable number.

475561448613 is a deficient number, since it is larger than the sum of its proper divisors (263096380647).

475561448613 is a wasteful number, since it uses less digits than its factorization.

475561448613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761826 (or 2761804 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 475561448613 in words is "four hundred seventy-five billion, five hundred sixty-one million, four hundred forty-eight thousand, six hundred thirteen".