813359473 has 4 divisors (see below), whose sum is σ = 819211120. Its totient is φ = 807507828.

The previous prime is 813359471. The next prime is 813359479. The reversal of 813359473 is 374953318.

It is a happy number.

813359473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 374953318 = 2 ⋅187476659.

It is a cyclic number.

It is not a de Polignac number, because 813359473 - 2¹ = 813359471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (813359471) 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, 2925615 + ... + 2925892.

It is an arithmetic number, because the mean of its divisors is an integer number (204802780).

Almost surely, 2^813359473 is an apocalyptic number.

It is an amenable number.

813359473 is a deficient number, since it is larger than the sum of its proper divisors (5851647).

813359473 is a wasteful number, since it uses less digits than its factorization.

813359473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851646.

The product of its digits is 272160, while the sum is 43.

The square root of 813359473 is about 28519.4577963888. The cubic root of 813359473 is about 933.4566981350.

The spelling of 813359473 in words is "eight hundred thirteen million, three hundred fifty-nine thousand, four hundred seventy-three".