6491115068 has 12 divisors (see below), whose sum is σ = 11383778952. Its totient is φ = 3238606800.

The previous prime is 6491115047. The next prime is 6491115077. The reversal of 6491115068 is 8605111946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735583 + ... + 1739318.

It is an arithmetic number, because the mean of its divisors is an integer number (948648246).

Almost surely, 2^6491115068 is an apocalyptic number.

It is an amenable number.

6491115068 is a deficient number, since it is larger than the sum of its proper divisors (4892663884).

6491115068 is a wasteful number, since it uses less digits than its factorization.

6491115068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475372 (or 3475370 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 6491115068 is about 80567.4566310741. The cubic root of 6491115068 is about 1865.4048545712.

The spelling of 6491115068 in words is "six billion, four hundred ninety-one million, one hundred fifteen thousand, sixty-eight".