6550650605123 has 2 divisors, whose sum is σ = 6550650605124. Its totient is φ = 6550650605122.

The previous prime is 6550650605087. The next prime is 6550650605189. The reversal of 6550650605123 is 3215060560556.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6550650605123 is a prime.

It is a super-2 number, since 2×6550650605123² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6550650605623) 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 as a sum of consecutive naturals, namely, 3275325302561 + 3275325302562.

It is an arithmetic number, because the mean of its divisors is an integer number (3275325302562).

Almost surely, 2^{6550650605123} is an apocalyptic number.

6550650605123 is a deficient number, since it is larger than the sum of its proper divisors (1).

6550650605123 is an equidigital number, since it uses as much as digits as its factorization.

6550650605123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 6550650605123 in words is "six trillion, five hundred fifty billion, six hundred fifty million, six hundred five thousand, one hundred twenty-three".