2647085856001 has 4 divisors (see below), whose sum is σ = 2718628717012. Its totient is φ = 2575542994992.

The previous prime is 2647085855959. The next prime is 2647085856007. The reversal of 2647085856001 is 1006585807462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1827836400625 + 819249455376 = 1351975^2 + 905124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2647085856001 - 2⁷ = 2647085855873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2647085856001.

It is not an unprimeable number, because it can be changed into a prime (2647085856007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35771430450 + ... + 35771430523.

It is an arithmetic number, because the mean of its divisors is an integer number (679657179253).

Almost surely, 2^{2647085856001} is an apocalyptic number.

It is an amenable number.

2647085856001 is a deficient number, since it is larger than the sum of its proper divisors (71542861011).

2647085856001 is an equidigital number, since it uses as much as digits as its factorization.

2647085856001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71542861010.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 2647085856001 in words is "two trillion, six hundred forty-seven billion, eighty-five million, eight hundred fifty-six thousand, one".