539105387191 has 12 divisors (see below), whose sum is σ = 647352356160. Its totient is φ = 447184190880.

The previous prime is 539105387179. The next prime is 539105387237. The reversal of 539105387191 is 191783501935.

It is not a de Polignac number, because 539105387191 - 2⁷ = 539105387063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539105387101) 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 in 11 ways as a sum of consecutive naturals, for example, 177452526 + ... + 177455563.

It is an arithmetic number, because the mean of its divisors is an integer number (53946029680).

Almost surely, 2^539105387191 is an apocalyptic number.

539105387191 is a deficient number, since it is larger than the sum of its proper divisors (108246968969).

539105387191 is a wasteful number, since it uses less digits than its factorization.

539105387191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354908134 (or 354908127 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 52.

The spelling of 539105387191 in words is "five hundred thirty-nine billion, one hundred five million, three hundred eighty-seven thousand, one hundred ninety-one".