389213421168 has 320 divisors, whose sum is σ = 1223336701440. Its totient is φ = 105059635200.

The previous prime is 389213421131. The next prime is 389213421241. The reversal of 389213421168 is 861124312983.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22182543 + ... + 22200081.

It is an arithmetic number, because the mean of its divisors is an integer number (3822927192).

Almost surely, 2^389213421168 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 389213421168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611668350720).

389213421168 is an abundant number, since it is smaller than the sum of its proper divisors (834123280272).

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

389213421168 is a wasteful number, since it uses less digits than its factorization.

389213421168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17688 (or 17682 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The spelling of 389213421168 in words is "three hundred eighty-nine billion, two hundred thirteen million, four hundred twenty-one thousand, one hundred sixty-eight".