6849999486 has 96 divisors (see below), whose sum is σ = 16558753536. Its totient is φ = 2046013200.

The previous prime is 6849999479. The next prime is 6849999511.

It is a happy number.

6849999486 is a `hidden beast` number, since 6 + 8 + 499 + 99 + 48 + 6 = 666.

6849999486 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1699005 + ... + 1703031.

It is an arithmetic number, because the mean of its divisors is an integer number (172487016).

Almost surely, 2^6849999486 is an apocalyptic number.

6849999486 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6849999486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8279376768).

6849999486 is an abundant number, since it is smaller than the sum of its proper divisors (9708754050).

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

6849999486 is a wasteful number, since it uses less digits than its factorization.

6849999486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139 (or 4114 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The square root of 6849999486 is about 82764.7236810466. The cubic root of 6849999486 is about 1899.1685638268.

The spelling of 6849999486 in words is "six billion, eight hundred forty-nine million, nine hundred ninety-nine thousand, four hundred eighty-six".