6486487919856 has 100 divisors (see below), whose sum is σ = 21455746226992. Its totient is φ = 1853282260224.

The previous prime is 6486487919837. The next prime is 6486487919867. The reversal of 6486487919856 is 6589197846846.

6486487919856 is a `hidden beast` number, since 6 + 4 + 86 + 487 + 9 + 1 + 9 + 8 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 357491365 + ... + 357509508.

Almost surely, 2^{6486487919856} is an apocalyptic number.

It is an amenable number.

6486487919856 is an abundant number, since it is smaller than the sum of its proper divisors (14969258307136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6486487919856 is a wasteful number, since it uses less digits than its factorization.

6486487919856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715000900 (or 715000885 counting only the distinct ones).

The product of its digits is 5016453120, while the sum is 81.

The spelling of 6486487919856 in words is "six trillion, four hundred eighty-six billion, four hundred eighty-seven million, nine hundred nineteen thousand, eight hundred fifty-six".