6849724896 has 108 divisors (see below), whose sum is σ = 22659181272. Its totient is φ = 1957060224.

The previous prime is 6849724891. The next prime is 6849724909. The reversal of 6849724896 is 6984279486.

6849724896 is a `hidden beast` number, since 6 + 84 + 9 + 72 + 489 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6849724891) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 228580 + ... + 256803.

It is an arithmetic number, because the mean of its divisors is an integer number (209807234).

Almost surely, 2^6849724896 is an apocalyptic number.

It is an amenable number.

6849724896 is an abundant number, since it is smaller than the sum of its proper divisors (15809456376).

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

6849724896 is a wasteful number, since it uses less digits than its factorization.

6849724896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485413 (or 485395 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The square root of 6849724896 is about 82763.0648055037. The cubic root of 6849724896 is about 1899.1431867122.

The spelling of 6849724896 in words is "six billion, eight hundred forty-nine million, seven hundred twenty-four thousand, eight hundred ninety-six".