6486592138 has 24 divisors (see below), whose sum is σ = 10542064896. Its totient is φ = 2992064400.

The previous prime is 6486592109. The next prime is 6486592157. The reversal of 6486592138 is 8312956846.

It is a super-2 number, since 2×6486592138² = 84151755129526822088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708973 + ... + 718063.

It is an arithmetic number, because the mean of its divisors is an integer number (439252704).

Almost surely, 2^6486592138 is an apocalyptic number.

6486592138 is a deficient number, since it is larger than the sum of its proper divisors (4055472758).

6486592138 is a wasteful number, since it uses less digits than its factorization.

6486592138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11230 (or 11217 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 6486592138 is about 80539.3825280527. The cubic root of 6486592138 is about 1864.9714900993.

The spelling of 6486592138 in words is "six billion, four hundred eighty-six million, five hundred ninety-two thousand, one hundred thirty-eight".