473915493 has 6 divisors (see below), whose sum is σ = 684544614. Its totient is φ = 315943656.

The previous prime is 473915473. The next prime is 473915521. The reversal of 473915493 is 394519374.

473915493 is a `hidden beast` number, since 4 + 73 + 91 + 5 + 493 = 666.

It can be written as a sum of positive squares in only one way, i.e., 313183809 + 160731684 = 17697^2 + 12678^2 .

It is a de Polignac number, because none of the positive numbers 2^k-473915493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473915413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26328630 + ... + 26328647.

It is an arithmetic number, because the mean of its divisors is an integer number (114090769).

Almost surely, 2^473915493 is an apocalyptic number.

It is an amenable number.

473915493 is a deficient number, since it is larger than the sum of its proper divisors (210629121).

473915493 is a wasteful number, since it uses less digits than its factorization.

473915493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52657283 (or 52657280 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 473915493 is about 21769.6002030354. The cubic root of 473915493 is about 779.6511112260.

The spelling of 473915493 in words is "four hundred seventy-three million, nine hundred fifteen thousand, four hundred ninety-three".