1604828539 has 2 divisors, whose sum is σ = 1604828540. Its totient is φ = 1604828538.

The previous prime is 1604828507. The next prime is 1604828551. The reversal of 1604828539 is 9358284061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1604828539 - 2⁵ = 1604828507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1604825539) 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, 802414269 + 802414270.

It is an arithmetic number, because the mean of its divisors is an integer number (802414270).

Almost surely, 2^1604828539 is an apocalyptic number.

1604828539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604828539 is an equidigital number, since it uses as much as digits as its factorization.

1604828539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 1604828539 is about 40060.3112693848. The cubic root of 1604828539 is about 1170.7824748494.

The spelling of 1604828539 in words is "one billion, six hundred four million, eight hundred twenty-eight thousand, five hundred thirty-nine".