528971452897 has 4 divisors (see below), whose sum is σ = 528980132116. Its totient is φ = 528962773680.

The previous prime is 528971452829. The next prime is 528971452907. The reversal of 528971452897 is 798254179825.

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 34121108961 + 494850343936 = 184719^2 + 703456^2 .

It is a cyclic number.

It is not a de Polignac number, because 528971452897 - 2⁷ = 528971452769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528971462897) 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, 4247538 + ... + 4370299.

It is an arithmetic number, because the mean of its divisors is an integer number (132245033029).

Almost surely, 2^528971452897 is an apocalyptic number.

It is an amenable number.

528971452897 is a deficient number, since it is larger than the sum of its proper divisors (8679219).

528971452897 is an equidigital number, since it uses as much as digits as its factorization.

528971452897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8679218.

The product of its digits is 101606400, while the sum is 67.

The spelling of 528971452897 in words is "five hundred twenty-eight billion, nine hundred seventy-one million, four hundred fifty-two thousand, eight hundred ninety-seven".