6685869432 has 128 divisors (see below), whose sum is σ = 18612633600. Its totient is φ = 1984329600.

The previous prime is 6685869419. The next prime is 6685869503. The reversal of 6685869432 is 2349685866.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3377419 + ... + 3379397.

It is an arithmetic number, because the mean of its divisors is an integer number (145411200).

Almost surely, 2^6685869432 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 6685869432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9306316800).

6685869432 is an abundant number, since it is smaller than the sum of its proper divisors (11926764168).

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

6685869432 is a wasteful number, since it uses less digits than its factorization.

6685869432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257 (or 2253 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The square root of 6685869432 is about 81767.1659775487. The cubic root of 6685869432 is about 1883.8773749192.

The spelling of 6685869432 in words is "six billion, six hundred eighty-five million, eight hundred sixty-nine thousand, four hundred thirty-two".