6137689686 has 16 divisors (see below), whose sum is σ = 12281900400. Its totient is φ = 2044809728.

The previous prime is 6137689669. The next prime is 6137689729. The reversal of 6137689686 is 6869867316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259431 + ... + 282098.

It is an arithmetic number, because the mean of its divisors is an integer number (767618775).

Almost surely, 2^6137689686 is an apocalyptic number.

6137689686 is an abundant number, since it is smaller than the sum of its proper divisors (6144210714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6137689686 is a wasteful number, since it uses less digits than its factorization.

6137689686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543423.

The product of its digits is 15676416, while the sum is 60.

The square root of 6137689686 is about 78343.4086953076. The cubic root of 6137689686 is about 1830.9155328130.

The spelling of 6137689686 in words is "six billion, one hundred thirty-seven million, six hundred eighty-nine thousand, six hundred eighty-six".