389500050500 has 96 divisors (see below), whose sum is σ = 930759717888. Its totient is φ = 141215424000.

The previous prime is 389500050481. The next prime is 389500050503. The reversal of 389500050500 is 5050005983.

It is not an unprimeable number, because it can be changed into a prime (389500050503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1748429 + ... + 1958571.

It is an arithmetic number, because the mean of its divisors is an integer number (9695413728).

Almost surely, 2^389500050500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389500050500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465379858944).

389500050500 is an abundant number, since it is smaller than the sum of its proper divisors (541259667388).

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

389500050500 is a wasteful number, since it uses less digits than its factorization.

389500050500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210510 (or 210498 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 389500050500 in words is "three hundred eighty-nine billion, five hundred million, fifty thousand, five hundred".