539858016820 has 12 divisors (see below), whose sum is σ = 1133701835364. Its totient is φ = 215943206720.

The previous prime is 539858016811. The next prime is 539858016829. The reversal of 539858016820 is 28610858935.

It is an interprime number because it is at equal distance from previous prime (539858016811) and next prime (539858016829).

It can be written as a sum of positive squares in 2 ways, for example, as 349645150864 + 190212865956 = 591308^2 + 436134^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539858016829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13496450401 + ... + 13496450440.

It is an arithmetic number, because the mean of its divisors is an integer number (94475152947).

Almost surely, 2^539858016820 is an apocalyptic number.

It is an amenable number.

539858016820 is an abundant number, since it is smaller than the sum of its proper divisors (593843818544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

539858016820 is a wasteful number, since it uses less digits than its factorization.

539858016820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26992900850 (or 26992900848 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 539858016820 in words is "five hundred thirty-nine billion, eight hundred fifty-eight million, sixteen thousand, eight hundred twenty".