6486979011 has 8 divisors (see below), whose sum is σ = 8850452160. Its totient is φ = 4224079272.

The previous prime is 6486978989. The next prime is 6486979019. The reversal of 6486979011 is 1109796846.

It is a happy number.

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

It is not a de Polignac number, because 6486979011 - 2²¹ = 6484881859 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6486979019) 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, 25143201 + ... + 25143458.

It is an arithmetic number, because the mean of its divisors is an integer number (1106306520).

Almost surely, 2^6486979011 is an apocalyptic number.

6486979011 is a deficient number, since it is larger than the sum of its proper divisors (2363473149).

6486979011 is a wasteful number, since it uses less digits than its factorization.

6486979011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50286705.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 6486979011 is about 80541.7842551306. The cubic root of 6486979011 is about 1865.0085662073.

The spelling of 6486979011 in words is "six billion, four hundred eighty-six million, nine hundred seventy-nine thousand, eleven".