6813256486 has 8 divisors (see below), whose sum is σ = 10223433360. Its totient is φ = 3405445368.

The previous prime is 6813256399. The next prime is 6813256507. The reversal of 6813256486 is 6846523186.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 584221 + ... + 595768.

It is an arithmetic number, because the mean of its divisors is an integer number (1277929170).

Almost surely, 2^6813256486 is an apocalyptic number.

6813256486 is a deficient number, since it is larger than the sum of its proper divisors (3410176874).

6813256486 is a wasteful number, since it uses less digits than its factorization.

6813256486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182878.

The product of its digits is 1658880, while the sum is 49.

The square root of 6813256486 is about 82542.4526289351. The cubic root of 6813256486 is about 1895.7667975848.

The spelling of 6813256486 in words is "six billion, eight hundred thirteen million, two hundred fifty-six thousand, four hundred eighty-six".