6686874382 has 4 divisors (see below), whose sum is σ = 10030311576. Its totient is φ = 3343437190.

The previous prime is 6686874379. The next prime is 6686874413. The reversal of 6686874382 is 2834786866.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2834786866 = 2 ⋅1417393433.

It is a super-3 number, since 3×6686874382³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1671718594 + ... + 1671718597.

It is an arithmetic number, because the mean of its divisors is an integer number (2507577894).

Almost surely, 2^6686874382 is an apocalyptic number.

6686874382 is a deficient number, since it is larger than the sum of its proper divisors (3343437194).

6686874382 is a wasteful number, since it uses less digits than its factorization.

6686874382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343437193.

The product of its digits is 18579456, while the sum is 58.

The square root of 6686874382 is about 81773.3109394502. The cubic root of 6686874382 is about 1883.9717584415.

The spelling of 6686874382 in words is "six billion, six hundred eighty-six million, eight hundred seventy-four thousand, three hundred eighty-two".