539721589 has 12 divisors (see below), whose sum is σ = 598806432. Its totient is φ = 486058760.

The previous prime is 539721587. The next prime is 539721613. The reversal of 539721589 is 985127935.

It is not a de Polignac number, because 539721589 - 2¹ = 539721587 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 (539721583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7897 + ... + 33790.

It is an arithmetic number, because the mean of its divisors is an integer number (49900536).

Almost surely, 2^539721589 is an apocalyptic number.

It is an amenable number.

539721589 is a deficient number, since it is larger than the sum of its proper divisors (59084843).

539721589 is a wasteful number, since it uses less digits than its factorization.

539721589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41816 (or 41805 counting only the distinct ones).

The product of its digits is 680400, while the sum is 49.

The square root of 539721589 is about 23231.9088539879. The cubic root of 539721589 is about 814.1853120826.

The spelling of 539721589 in words is "five hundred thirty-nine million, seven hundred twenty-one thousand, five hundred eighty-nine".