6850722385 has 16 divisors (see below), whose sum is σ = 9238166784. Its totient is φ = 4839037632.

The previous prime is 6850722377. The next prime is 6850722391. The reversal of 6850722385 is 5832270586.

It is a happy number.

It is not a de Polignac number, because 6850722385 - 2³ = 6850722377 is a prime.

It is a Duffinian number.

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, 2289717 + ... + 2292706.

It is an arithmetic number, because the mean of its divisors is an integer number (577385424).

Almost surely, 2^6850722385 is an apocalyptic number.

6850722385 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6850722385 is a deficient number, since it is larger than the sum of its proper divisors (2387444399).

6850722385 is a wasteful number, since it uses less digits than its factorization.

6850722385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582464.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 6850722385 is about 82769.0907585676. The cubic root of 6850722385 is about 1899.2353696110.

The spelling of 6850722385 in words is "six billion, eight hundred fifty million, seven hundred twenty-two thousand, three hundred eighty-five".