813389314582 has 8 divisors (see below), whose sum is σ = 1313936585136. Its totient is φ = 375410452872.

The previous prime is 813389314531. The next prime is 813389314589. The reversal of 813389314582 is 285413983318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813389314589) 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 3 ways as a sum of consecutive naturals, for example, 15642102178 + ... + 15642102229.

It is an arithmetic number, because the mean of its divisors is an integer number (164242073142).

Almost surely, 2^813389314582 is an apocalyptic number.

813389314582 is a deficient number, since it is larger than the sum of its proper divisors (500547270554).

813389314582 is a wasteful number, since it uses less digits than its factorization.

813389314582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31284204422.

The product of its digits is 4976640, while the sum is 55.

The spelling of 813389314582 in words is "eight hundred thirteen billion, three hundred eighty-nine million, three hundred fourteen thousand, five hundred eighty-two".