6776491249 has 8 divisors (see below), whose sum is σ = 7393131648. Its totient is φ = 6159950160.

The previous prime is 6776491213. The next prime is 6776491279. The reversal of 6776491249 is 9421946776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6776491249 - 2⁷ = 6776491121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6776491249.

It is not an unprimeable number, because it can be changed into a prime (6776491279) by changing a digit.

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, 257239 + ... + 282355.

It is an arithmetic number, because the mean of its divisors is an integer number (924141456).

Almost surely, 2^6776491249 is an apocalyptic number.

It is an amenable number.

6776491249 is a deficient number, since it is larger than the sum of its proper divisors (616640399).

6776491249 is a wasteful number, since it uses less digits than its factorization.

6776491249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49655.

The product of its digits is 4572288, while the sum is 55.

The square root of 6776491249 is about 82319.4463598972. The cubic root of 6776491249 is about 1892.3507091565.

The spelling of 6776491249 in words is "six billion, seven hundred seventy-six million, four hundred ninety-one thousand, two hundred forty-nine".