813983811080244 has 48 divisors (see below), whose sum is σ = 2223565532716416. Its totient is φ = 226894442112000.

The previous prime is 813983811080221. The next prime is 813983811080281. The reversal of 813983811080244 is 442080118389318.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 118174185157 + ... + 118174192044.

It is an arithmetic number, because the mean of its divisors is an integer number (46324281931592).

Almost surely, 2^{813983811080244} is an apocalyptic number.

813983811080244 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

813983811080244 is an abundant number, since it is smaller than the sum of its proper divisors (1409581721636172).

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

813983811080244 is a wasteful number, since it uses less digits than its factorization.

813983811080244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236348377256 (or 236348377254 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 60.

The spelling of 813983811080244 in words is "eight hundred thirteen trillion, nine hundred eighty-three billion, eight hundred eleven million, eighty thousand, two hundred forty-four".