6550843870001 has 2 divisors, whose sum is σ = 6550843870002. Its totient is φ = 6550843870000.

The previous prime is 6550843869971. The next prime is 6550843870159. The reversal of 6550843870001 is 1000783480556.

6550843870001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6045692522401 + 505151347600 = 2458799^2 + 710740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6550843870001 is a prime.

It is not a weakly prime, because it can be changed into another prime (6550843270001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275421935000 + 3275421935001.

It is an arithmetic number, because the mean of its divisors is an integer number (3275421935001).

Almost surely, 2^{6550843870001} is an apocalyptic number.

It is an amenable number.

6550843870001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6550843870001 is an equidigital number, since it uses as much as digits as its factorization.

6550843870001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 6550843870001 in words is "six trillion, five hundred fifty billion, eight hundred forty-three million, eight hundred seventy thousand, one".