383921428850 has 24 divisors (see below), whose sum is σ = 715636220160. Its totient is φ = 153236880720.

The previous prime is 383921428823. The next prime is 383921428861. The reversal of 383921428850 is 58824129383.

It is a super-2 number, since 2×383921428850² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 383921428792 and 383921428801.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8268890 + ... + 8315189.

It is an arithmetic number, because the mean of its divisors is an integer number (29818175840).

Almost surely, 2^383921428850 is an apocalyptic number.

383921428850 is a deficient number, since it is larger than the sum of its proper divisors (331714791310).

383921428850 is a wasteful number, since it uses less digits than its factorization.

383921428850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16584554 (or 16584549 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 383921428850 in words is "three hundred eighty-three billion, nine hundred twenty-one million, four hundred twenty-eight thousand, eight hundred fifty".