6861698496 has 84 divisors (see below), whose sum is σ = 19858941232. Its totient is φ = 2265007104.

The previous prime is 6861698489. The next prime is 6861698527. The reversal of 6861698496 is 6948961686.

6861698496 is a `hidden beast` number, since 6 + 8 + 616 + 9 + 8 + 4 + 9 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1500 + ... + 117156.

Almost surely, 2^6861698496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6861698496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9929470616).

6861698496 is an abundant number, since it is smaller than the sum of its proper divisors (12997242736).

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

6861698496 is a wasteful number, since it uses less digits than its factorization.

6861698496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115778 (or 115765 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The square root of 6861698496 is about 82835.3698368034. The cubic root of 6861698496 is about 1900.2491359366.

The spelling of 6861698496 in words is "six billion, eight hundred sixty-one million, six hundred ninety-eight thousand, four hundred ninety-six".