6777965349 has 6 divisors (see below), whose sum is σ = 9790394406. Its totient is φ = 4518643560.

The previous prime is 6777965321. The next prime is 6777965351. The reversal of 6777965349 is 9435697776.

6777965349 is a `hidden beast` number, since 6 + 7 + 7 + 7 + 96 + 534 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6334568100 + 443397249 = 79590^2 + 21057^2 .

It is not a de Polignac number, because 6777965349 - 2⁵ = 6777965317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6777965309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 376553622 + ... + 376553639.

It is an arithmetic number, because the mean of its divisors is an integer number (1631732401).

Almost surely, 2^6777965349 is an apocalyptic number.

It is an amenable number.

6777965349 is a deficient number, since it is larger than the sum of its proper divisors (3012429057).

6777965349 is a wasteful number, since it uses less digits than its factorization.

6777965349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753107267 (or 753107264 counting only the distinct ones).

The product of its digits is 60011280, while the sum is 63.

The square root of 6777965349 is about 82328.3994074949. The cubic root of 6777965349 is about 1892.4879144758.

The spelling of 6777965349 in words is "six billion, seven hundred seventy-seven million, nine hundred sixty-five thousand, three hundred forty-nine".