6889869532 has 144 divisors (see below), whose sum is σ = 15761269440. Its totient is φ = 2563190784.

The previous prime is 6889869527. The next prime is 6889869533. The reversal of 6889869532 is 2359689886.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6889869533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19517868 + ... + 19518220.

It is an arithmetic number, because the mean of its divisors is an integer number (109453260).

Almost surely, 2^6889869532 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 6889869532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7880634720).

6889869532 is an abundant number, since it is smaller than the sum of its proper divisors (8871399908).

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

6889869532 is a wasteful number, since it uses less digits than its factorization.

6889869532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 447 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 64.

The square root of 6889869532 is about 83005.2379792986. The cubic root of 6889869532 is about 1902.8461068419.

The spelling of 6889869532 in words is "six billion, eight hundred eighty-nine million, eight hundred sixty-nine thousand, five hundred thirty-two".