6886691013 has 16 divisors (see below), whose sum is σ = 9480669696. Its totient is φ = 4441989120.

The previous prime is 6886690963. The next prime is 6886691017. The reversal of 6886691013 is 3101966886.

It is not a de Polignac number, because 6886691013 - 2¹⁴ = 6886674629 is a prime.

It is a super-3 number, since 3×6886691013³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6886691017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722245 + ... + 731717.

It is an arithmetic number, because the mean of its divisors is an integer number (592541856).

Almost surely, 2^6886691013 is an apocalyptic number.

It is an amenable number.

6886691013 is a deficient number, since it is larger than the sum of its proper divisors (2593978683).

6886691013 is a wasteful number, since it uses less digits than its factorization.

6886691013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17324.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 6886691013 is about 82986.0892740464. The cubic root of 6886691013 is about 1902.5534470754.

The spelling of 6886691013 in words is "six billion, eight hundred eighty-six million, six hundred ninety-one thousand, thirteen".