532541728069 has 4 divisors (see below), whose sum is σ = 573506476396. Its totient is φ = 491576979744.

The previous prime is 532541728021. The next prime is 532541728073. The reversal of 532541728069 is 960827145235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59871727969 + 472670000100 = 244687^2 + 687510^2 .

It is a cyclic number.

It is not a de Polignac number, because 532541728069 - 2³¹ = 530394244421 is a prime.

It is a super-2 number, since 2×532541728069² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532541728009) 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, 20482374144 + ... + 20482374169.

It is an arithmetic number, because the mean of its divisors is an integer number (143376619099).

It is a 1-persistent number, because it is pandigital, but 2⋅532541728069 = 1065083456138 is not.

Almost surely, 2^532541728069 is an apocalyptic number.

It is an amenable number.

532541728069 is a deficient number, since it is larger than the sum of its proper divisors (40964748327).

532541728069 is a wasteful number, since it uses less digits than its factorization.

532541728069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40964748326.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 532541728069 in words is "five hundred thirty-two billion, five hundred forty-one million, seven hundred twenty-eight thousand, sixty-nine".