539493188004 has 243 divisors, whose sum is σ = 1532959091937. Its totient is φ = 159921651456.

The previous prime is 539493187997. The next prime is 539493188011. The reversal of 539493188004 is 400881394935.

The square root of 539493188004 is 734502.

It is a perfect power (a square), and thus also a powerful number.

539493188004 is a `hidden beast` number, since 539 + 4 + 93 + 18 + 8 + 0 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (539493187997) and next prime (539493188011).

It can be written as a sum of positive squares in only one way, i.e., 420020648100 + 119472539904 = 648090^2 + 345648^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1423464687 + ... + 1423465065.

Almost surely, 2^539493188004 is an apocalyptic number.

539493188004 is the 734502-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539493188004

539493188004 is an abundant number, since it is smaller than the sum of its proper divisors (993465903933).

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

539493188004 is a wasteful number, since it uses less digits than its factorization.

539493188004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 539493188004 in words is "five hundred thirty-nine billion, four hundred ninety-three million, one hundred eighty-eight thousand, four".