6550187364089 has 2 divisors, whose sum is σ = 6550187364090. Its totient is φ = 6550187364088.

The previous prime is 6550187364041. The next prime is 6550187364131. The reversal of 6550187364089 is 9804637810556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3321535410064 + 3228651954025 = 1822508^2 + 1796845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6550187364089 is a prime.

It is not a weakly prime, because it can be changed into another prime (6550187364389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275093682044 + 3275093682045.

It is an arithmetic number, because the mean of its divisors is an integer number (3275093682045).

Almost surely, 2^{6550187364089} is an apocalyptic number.

It is an amenable number.

6550187364089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6550187364089 is an equidigital number, since it uses as much as digits as its factorization.

6550187364089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 6550187364089 in words is "six trillion, five hundred fifty billion, one hundred eighty-seven million, three hundred sixty-four thousand, eighty-nine".