813568242822 has 8 divisors (see below), whose sum is σ = 1627136485656. Its totient is φ = 271189414272.

The previous prime is 813568242821. The next prime is 813568242833. The reversal of 813568242822 is 228242865318.

813568242822 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

813568242822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813568242821) 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, 67797353563 + ... + 67797353574.

It is an arithmetic number, because the mean of its divisors is an integer number (203392060707).

Almost surely, 2^813568242822 is an apocalyptic number.

813568242822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813568242822 is a wasteful number, since it uses less digits than its factorization.

813568242822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135594707142.

The product of its digits is 2949120, while the sum is 51.

The spelling of 813568242822 in words is "eight hundred thirteen billion, five hundred sixty-eight million, two hundred forty-two thousand, eight hundred twenty-two".