818930081930 has 16 divisors (see below), whose sum is σ = 1474111064160. Its totient is φ = 327563829072.

The previous prime is 818930081929. The next prime is 818930081987. The reversal of 818930081930 is 39180039818.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597704 + ... + 1412483.

It is an arithmetic number, because the mean of its divisors is an integer number (92131941510).

Almost surely, 2^818930081930 is an apocalyptic number.

818930081930 is a deficient number, since it is larger than the sum of its proper divisors (655180982230).

818930081930 is a wasteful number, since it uses less digits than its factorization.

818930081930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050933.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 818930081930 in words is "eight hundred eighteen billion, nine hundred thirty million, eighty-one thousand, nine hundred thirty".