6849779486 has 16 divisors (see below), whose sum is σ = 11210330880. Its totient is φ = 3113091480.

The previous prime is 6849779479. The next prime is 6849779501.

6849779486 is nontrivially palindromic in base 10.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 173675 + ... + 209433.

It is an arithmetic number, because the mean of its divisors is an integer number (700645680).

Almost surely, 2^6849779486 is an apocalyptic number.

6849779486 is a deficient number, since it is larger than the sum of its proper divisors (4360551394).

6849779486 is a wasteful number, since it uses less digits than its factorization.

6849779486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44479.

The product of its digits is 146313216, while the sum is 68.

The square root of 6849779486 is about 82763.3946017199. The cubic root of 6849779486 is about 1899.1482318760.

The spelling of 6849779486 in words is "six billion, eight hundred forty-nine million, seven hundred seventy-nine thousand, four hundred eighty-six".