6749657185 has 16 divisors (see below), whose sum is σ = 8733836160. Its totient is φ = 4990757760.

The previous prime is 6749657177. The next prime is 6749657209. The reversal of 6749657185 is 5817569476.

It is not a de Polignac number, because 6749657185 - 2³ = 6749657177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862557 + ... + 870346.

It is an arithmetic number, because the mean of its divisors is an integer number (545864760).

Almost surely, 2^6749657185 is an apocalyptic number.

It is an amenable number.

6749657185 is a deficient number, since it is larger than the sum of its proper divisors (1984178975).

6749657185 is a wasteful number, since it uses less digits than its factorization.

6749657185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732968.

The product of its digits is 12700800, while the sum is 58.

The square root of 6749657185 is about 82156.2972936342. The cubic root of 6749657185 is about 1889.8495802388.

The spelling of 6749657185 in words is "six billion, seven hundred forty-nine million, six hundred fifty-seven thousand, one hundred eighty-five".