6949380771 has 8 divisors (see below), whose sum is σ = 10295378960. Its totient is φ = 4632920496.

The previous prime is 6949380769. The next prime is 6949380799. The reversal of 6949380771 is 1770839496.

It is a happy number.

6949380771 is a `hidden beast` number, since 6 + 9 + 493 + 80 + 7 + 71 = 666.

6949380771 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6949380771 - 2¹ = 6949380769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6949380721) 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, 128692210 + ... + 128692263.

It is an arithmetic number, because the mean of its divisors is an integer number (1286922370).

Almost surely, 2^6949380771 is an apocalyptic number.

6949380771 is a deficient number, since it is larger than the sum of its proper divisors (3345998189).

6949380771 is a wasteful number, since it uses less digits than its factorization.

6949380771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257384482 (or 257384476 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 6949380771 is about 83362.9460311954. The cubic root of 6949380771 is about 1908.3090185181.

The spelling of 6949380771 in words is "six billion, nine hundred forty-nine million, three hundred eighty thousand, seven hundred seventy-one".