6850118917691 has 12 divisors (see below), whose sum is σ = 7997272864128. Its totient is φ = 5850333628272.

The previous prime is 6850118917673. The next prime is 6850118917703. The reversal of 6850118917691 is 1967198110586.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6850118917691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6850118917391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252330011 + ... + 252357156.

It is an arithmetic number, because the mean of its divisors is an integer number (666439405344).

Almost surely, 2^{6850118917691} is an apocalyptic number.

6850118917691 is a deficient number, since it is larger than the sum of its proper divisors (1147153946437).

6850118917691 is a wasteful number, since it uses less digits than its factorization.

6850118917691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504687458 (or 504687451 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 62.

The spelling of 6850118917691 in words is "six trillion, eight hundred fifty billion, one hundred eighteen million, nine hundred seventeen thousand, six hundred ninety-one".