6853730385 has 32 divisors (see below), whose sum is σ = 11085040512. Its totient is φ = 3615736320.

The previous prime is 6853730347. The next prime is 6853730413. The reversal of 6853730385 is 5830373586.

It is not a de Polignac number, because 6853730385 - 2¹² = 6853726289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212165 + ... + 1217805.

It is an arithmetic number, because the mean of its divisors is an integer number (346407516).

Almost surely, 2^6853730385 is an apocalyptic number.

It is an amenable number.

6853730385 is a deficient number, since it is larger than the sum of its proper divisors (4231310127).

6853730385 is a wasteful number, since it uses less digits than its factorization.

6853730385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6513.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The square root of 6853730385 is about 82787.2597988362. The cubic root of 6853730385 is about 1899.5132996228.

The spelling of 6853730385 in words is "six billion, eight hundred fifty-three million, seven hundred thirty thousand, three hundred eighty-five".