6699323850 has 96 divisors (see below), whose sum is σ = 17420742144. Its totient is φ = 1700529600.

The previous prime is 6699323849. The next prime is 6699323893. The reversal of 6699323850 is 583239966.

It is a junction number, because it is equal to n+sod(n) for n = 6699323793 and 6699323802.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 723349 + ... + 732551.

It is an arithmetic number, because the mean of its divisors is an integer number (181466064).

Almost surely, 2^6699323850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6699323850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8710371072).

6699323850 is an abundant number, since it is smaller than the sum of its proper divisors (10721418294).

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

6699323850 is a wasteful number, since it uses less digits than its factorization.

6699323850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452 (or 9447 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The square root of 6699323850 is about 81849.3973710253. The cubic root of 6699323850 is about 1885.1402119505.

The spelling of 6699323850 in words is "six billion, six hundred ninety-nine million, three hundred twenty-three thousand, eight hundred fifty".