6842687137 has 24 divisors (see below), whose sum is σ = 8271207648. Its totient is φ = 5608512000.

The previous prime is 6842687107. The next prime is 6842687161. The reversal of 6842687137 is 7317862486.

It is a de Polignac number, because none of the positive numbers 2^k-6842687137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6842687107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37137 + ... + 122737.

It is an arithmetic number, because the mean of its divisors is an integer number (344633652).

Almost surely, 2^6842687137 is an apocalyptic number.

It is an amenable number.

6842687137 is a deficient number, since it is larger than the sum of its proper divisors (1428520511).

6842687137 is a wasteful number, since it uses less digits than its factorization.

6842687137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85681 (or 85668 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 6842687137 is about 82720.5363679419. The cubic root of 6842687137 is about 1898.4925380895.

The spelling of 6842687137 in words is "six billion, eight hundred forty-two million, six hundred eighty-seven thousand, one hundred thirty-seven".