6689935104 has 72 divisors (see below), whose sum is σ = 17822265552. Its totient is φ = 2227814400.

The previous prime is 6689935103. The next prime is 6689935163. The reversal of 6689935104 is 4015399866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689935103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918742 + ... + 925994.

It is an arithmetic number, because the mean of its divisors is an integer number (247531466).

Almost surely, 2^6689935104 is an apocalyptic number.

6689935104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6689935104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8911132776).

6689935104 is an abundant number, since it is smaller than the sum of its proper divisors (11132330448).

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

6689935104 is a wasteful number, since it uses less digits than its factorization.

6689935104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8473 (or 8459 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 6689935104 is about 81792.0234741750. The cubic root of 6689935104 is about 1884.2591589974.

The spelling of 6689935104 in words is "six billion, six hundred eighty-nine million, nine hundred thirty-five thousand, one hundred four".