304912019688 has 32 divisors (see below), whose sum is σ = 769827382560. Its totient is φ = 100631028800.

The previous prime is 304912019683. The next prime is 304912019747. The reversal of 304912019688 is 886910219403.

It is a self number, because there is not a number n which added to its sum of digits gives 304912019688.

It is not an unprimeable number, because it can be changed into a prime (304912019683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62891970 + ... + 62896817.

It is an arithmetic number, because the mean of its divisors is an integer number (24057105705).

Almost surely, 2^304912019688 is an apocalyptic number.

It is an amenable number.

304912019688 is an abundant number, since it is smaller than the sum of its proper divisors (464915362872).

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

304912019688 is a wasteful number, since it uses less digits than its factorization.

304912019688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125788897 (or 125788893 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 304912019688 in words is "three hundred four billion, nine hundred twelve million, nineteen thousand, six hundred eighty-eight".