6491427682 has 16 divisors (see below), whose sum is σ = 9906105600. Its totient is φ = 3189436240.

The previous prime is 6491427671. The next prime is 6491427697. The reversal of 6491427682 is 2867241946.

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, 333807 + ... + 352717.

It is an arithmetic number, because the mean of its divisors is an integer number (619131600).

Almost surely, 2^6491427682 is an apocalyptic number.

6491427682 is a deficient number, since it is larger than the sum of its proper divisors (3414677918).

6491427682 is a wasteful number, since it uses less digits than its factorization.

6491427682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21881.

The product of its digits is 1161216, while the sum is 49.

The square root of 6491427682 is about 80569.3966838526. The cubic root of 6491427682 is about 1865.4348002383.

The spelling of 6491427682 in words is "six billion, four hundred ninety-one million, four hundred twenty-seven thousand, six hundred eighty-two".