539900178841 has 27 divisors (see below), whose sum is σ = 558897187989. Its totient is φ = 521546134200.

The previous prime is 539900178793. The next prime is 539900178877. The reversal of 539900178841 is 148871009935.

It is a happy number.

The square root of 539900178841 is 734779.

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

It is not a de Polignac number, because 539900178841 - 2⁹ = 539900178329 is a prime.

It is a super-2 number, since 2×539900178841² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539900178641) 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 26 ways as a sum of consecutive naturals, for example, 4121375346 + ... + 4121375476.

Almost surely, 2^539900178841 is an apocalyptic number.

539900178841 is the 734779-th square number.

539900178841 is the 367390-th centered octagonal number.

It is an amenable number.

539900178841 is a deficient number, since it is larger than the sum of its proper divisors (18997009148).

539900178841 is an frugal number, since it uses more digits than its factorization.

539900178841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 539900178841 in words is "five hundred thirty-nine billion, nine hundred million, one hundred seventy-eight thousand, eight hundred forty-one".