6426862910856 has 24 divisors (see below), whose sum is σ = 17406087050430. Its totient is φ = 2142287636928.

The previous prime is 6426862910851. The next prime is 6426862910857. The reversal of 6426862910856 is 6580192686246.

6426862910856 is a `hidden beast` number, since 6 + 4 + 268 + 6 + 291 + 0 + 85 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4551250489956 + 1875612420900 = 2133366^2 + 1369530^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 6426862910793 and 6426862910802.

It is not an unprimeable number, because it can be changed into a prime (6426862910851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44630992365 + ... + 44630992508.

Almost surely, 2^{6426862910856} is an apocalyptic number.

It is an amenable number.

6426862910856 is an abundant number, since it is smaller than the sum of its proper divisors (10979224139574).

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

6426862910856 is a wasteful number, since it uses less digits than its factorization.

6426862910856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89261984885 (or 89261984878 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 6426862910856 in words is "six trillion, four hundred twenty-six billion, eight hundred sixty-two million, nine hundred ten thousand, eight hundred fifty-six".