6491879308 has 6 divisors (see below), whose sum is σ = 11360788796. Its totient is φ = 3245939652.

The previous prime is 6491879299. The next prime is 6491879351. The reversal of 6491879308 is 8039781946.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811484910 + ... + 811484917.

Almost surely, 2^6491879308 is an apocalyptic number.

It is an amenable number.

6491879308 is a deficient number, since it is larger than the sum of its proper divisors (4868909488).

6491879308 is a wasteful number, since it uses less digits than its factorization.

6491879308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622969831 (or 1622969829 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 6491879308 is about 80572.1993494034. The cubic root of 6491879308 is about 1865.4780603325.

The spelling of 6491879308 in words is "six billion, four hundred ninety-one million, eight hundred seventy-nine thousand, three hundred eight".