6565150050491 has 2 divisors, whose sum is σ = 6565150050492. Its totient is φ = 6565150050490.

The previous prime is 6565150050461. The next prime is 6565150050509. The reversal of 6565150050491 is 1940500515656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6565150050491 - 2⁶ = 6565150050427 is a prime.

It is not a weakly prime, because it can be changed into another prime (6565150050461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282575025245 + 3282575025246.

It is an arithmetic number, because the mean of its divisors is an integer number (3282575025246).

Almost surely, 2^{6565150050491} is an apocalyptic number.

6565150050491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6565150050491 is an equidigital number, since it uses as much as digits as its factorization.

6565150050491 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 47.

The spelling of 6565150050491 in words is "six trillion, five hundred sixty-five billion, one hundred fifty million, fifty thousand, four hundred ninety-one".