539666282389 has 8 divisors (see below), whose sum is σ = 581189495040. Its totient is φ = 498144558576.

The previous prime is 539666282381. The next prime is 539666282471. The reversal of 539666282389 is 983282666935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 539666282389 - 2³ = 539666282381 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 (539666282381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447504 + ... + 1131190.

It is an arithmetic number, because the mean of its divisors is an integer number (72648686880).

Almost surely, 2^539666282389 is an apocalyptic number.

It is an amenable number.

539666282389 is a deficient number, since it is larger than the sum of its proper divisors (41523212651).

539666282389 is a wasteful number, since it uses less digits than its factorization.

539666282389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744419.

The product of its digits is 201553920, while the sum is 67.

The spelling of 539666282389 in words is "five hundred thirty-nine billion, six hundred sixty-six million, two hundred eighty-two thousand, three hundred eighty-nine".