6471976126842 has 12 divisors (see below), whose sum is σ = 14022614941530. Its totient is φ = 2157325375608.

The previous prime is 6471976126801. The next prime is 6471976126871. The reversal of 6471976126842 is 2486216791746.

6471976126842 is a `hidden beast` number, since 6 + 4 + 7 + 1 + 9 + 7 + 612 + 6 + 8 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3974245589601 + 2497730537241 = 1993551^2 + 1580421^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6471976126842.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179777114617 + ... + 179777114652.

Almost surely, 2^{6471976126842} is an apocalyptic number.

6471976126842 is an abundant number, since it is smaller than the sum of its proper divisors (7550638814688).

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

6471976126842 is a wasteful number, since it uses less digits than its factorization.

6471976126842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359554229277 (or 359554229274 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 6471976126842 in words is "six trillion, four hundred seventy-one billion, nine hundred seventy-six million, one hundred twenty-six thousand, eight hundred forty-two".