6528890939 has 16 divisors (see below), whose sum is σ = 6799430880. Its totient is φ = 6264034560.

The previous prime is 6528890923. The next prime is 6528890957. The reversal of 6528890939 is 9390988256.

6528890939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6528890939 - 2⁴ = 6528890923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6528892939) 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 in 15 ways as a sum of consecutive naturals, for example, 2876297 + ... + 2878565.

It is an arithmetic number, because the mean of its divisors is an integer number (424964430).

Almost surely, 2^6528890939 is an apocalyptic number.

6528890939 is a deficient number, since it is larger than the sum of its proper divisors (270539941).

6528890939 is a wasteful number, since it uses less digits than its factorization.

6528890939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The square root of 6528890939 is about 80801.5528254253. The cubic root of 6528890939 is about 1869.0165111649.

The spelling of 6528890939 in words is "six billion, five hundred twenty-eight million, eight hundred ninety thousand, nine hundred thirty-nine".