383921428792 has 32 divisors (see below), whose sum is σ = 785571536880. Its totient is φ = 174448028160.

The previous prime is 383921428777. The next prime is 383921428817. The reversal of 383921428792 is 297824129383.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520683 + ... + 1019290.

Almost surely, 2^383921428792 is an apocalyptic number.

It is an amenable number.

383921428792 is an abundant number, since it is smaller than the sum of its proper divisors (401650108088).

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

383921428792 is a wasteful number, since it uses less digits than its factorization.

383921428792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542823 (or 1542819 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The spelling of 383921428792 in words is "three hundred eighty-three billion, nine hundred twenty-one million, four hundred twenty-eight thousand, seven hundred ninety-two".