528140728699 has 8 divisors (see below), whose sum is σ = 534130454880. Its totient is φ = 522152237376.

The previous prime is 528140728697. The next prime is 528140728729. The reversal of 528140728699 is 996827041825.

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 528140728699 - 2¹ = 528140728697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528140728697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565477 + ... + 1173049.

It is an arithmetic number, because the mean of its divisors is an integer number (66766306860).

Almost surely, 2^528140728699 is an apocalyptic number.

528140728699 is a deficient number, since it is larger than the sum of its proper divisors (5989726181).

528140728699 is an equidigital number, since it uses as much as digits as its factorization.

528140728699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617429.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 528140728699 in words is "five hundred twenty-eight billion, one hundred forty million, seven hundred twenty-eight thousand, six hundred ninety-nine".