28527819329 has 2 divisors, whose sum is σ = 28527819330. Its totient is φ = 28527819328.

The previous prime is 28527819293. The next prime is 28527819389. The reversal of 28527819329 is 92391872582.

It is a happy number.

Together with previous prime (28527819293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27855610000 + 672209329 = 166900^2 + 25927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28527819329 is a prime.

It is a super-3 number, since 3×28527819329³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (28527819389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14263909664 + 14263909665.

It is an arithmetic number, because the mean of its divisors is an integer number (14263909665).

Almost surely, 2^28527819329 is an apocalyptic number.

It is an amenable number.

28527819329 is a deficient number, since it is larger than the sum of its proper divisors (1).

28527819329 is an equidigital number, since it uses as much as digits as its factorization.

28527819329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 56.

The spelling of 28527819329 in words is "twenty-eight billion, five hundred twenty-seven million, eight hundred nineteen thousand, three hundred twenty-nine".