6494656839 has 8 divisors (see below), whose sum is σ = 9446773632. Its totient is φ = 3936155640.

The previous prime is 6494656813. The next prime is 6494656841. The reversal of 6494656839 is 9386564946.

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

It is not a de Polignac number, because 6494656839 - 2²¹ = 6492559687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6494656639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98403859 + ... + 98403924.

It is an arithmetic number, because the mean of its divisors is an integer number (1180846704).

Almost surely, 2^6494656839 is an apocalyptic number.

6494656839 is a deficient number, since it is larger than the sum of its proper divisors (2952116793).

6494656839 is a wasteful number, since it uses less digits than its factorization.

6494656839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196807797.

The product of its digits is 33592320, while the sum is 60.

The square root of 6494656839 is about 80589.4337925264. The cubic root of 6494656839 is about 1865.7440687881.

The spelling of 6494656839 in words is "six billion, four hundred ninety-four million, six hundred fifty-six thousand, eight hundred thirty-nine".