6479899349038 has 16 divisors (see below), whose sum is σ = 10143613443456. Its totient is φ = 3098727153720.

The previous prime is 6479899349023. The next prime is 6479899349071. The reversal of 6479899349038 is 8309439989746.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7665456 + ... + 8468707.

It is an arithmetic number, because the mean of its divisors is an integer number (633975840216).

Almost surely, 2^{6479899349038} is an apocalyptic number.

6479899349038 is a deficient number, since it is larger than the sum of its proper divisors (3663714094418).

6479899349038 is a wasteful number, since it uses less digits than its factorization.

6479899349038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142919.

The product of its (nonzero) digits is 2539579392, while the sum is 79.

The spelling of 6479899349038 in words is "six trillion, four hundred seventy-nine billion, eight hundred ninety-nine million, three hundred forty-nine thousand, thirty-eight".