539169562081 has 8 divisors (see below), whose sum is σ = 572185848960. Its totient is φ = 506297767488.

The previous prime is 539169562051. The next prime is 539169562103. The reversal of 539169562081 is 180265961935.

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 539169562081 - 2¹⁵ = 539169529313 is a prime.

It is a super-2 number, since 2×539169562081² (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 (539169562051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36115381 + ... + 36130306.

It is an arithmetic number, because the mean of its divisors is an integer number (71523231120).

Almost surely, 2^539169562081 is an apocalyptic number.

It is an amenable number.

539169562081 is a deficient number, since it is larger than the sum of its proper divisors (33016286879).

539169562081 is a wasteful number, since it uses less digits than its factorization.

539169562081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72246143.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 539169562081 in words is "five hundred thirty-nine billion, one hundred sixty-nine million, five hundred sixty-two thousand, eighty-one".