1328528775839 has 2 divisors, whose sum is σ = 1328528775840. Its totient is φ = 1328528775838.

The previous prime is 1328528775737. The next prime is 1328528775863. The reversal of 1328528775839 is 9385778258231.

It is a strong prime.

It is an emirp because it is prime and its reverse (9385778258231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1328528775839 - 2²⁴ = 1328511998623 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328528175839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664264387919 + 664264387920.

It is an arithmetic number, because the mean of its divisors is an integer number (664264387920).

Almost surely, 2^{1328528775839} is an apocalyptic number.

1328528775839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328528775839 is an equidigital number, since it uses as much as digits as its factorization.

1328528775839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 203212800, while the sum is 68.

The spelling of 1328528775839 in words is "one trillion, three hundred twenty-eight billion, five hundred twenty-eight million, seven hundred seventy-five thousand, eight hundred thirty-nine".