6128728325 has 12 divisors (see below), whose sum is σ = 7761318720. Its totient is φ = 4798662960.

The previous prime is 6128728313. The next prime is 6128728349. The reversal of 6128728325 is 5238278216.

It is not a de Polignac number, because 6128728325 - 2⁶ = 6128728261 is a prime.

It is a super-2 number, since 2×6128728325² = 75122621763314611250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2606795 + ... + 2609144.

It is an arithmetic number, because the mean of its divisors is an integer number (646776560).

Almost surely, 2^6128728325 is an apocalyptic number.

It is an amenable number.

6128728325 is a deficient number, since it is larger than the sum of its proper divisors (1632590395).

6128728325 is a wasteful number, since it uses less digits than its factorization.

6128728325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215996 (or 5215991 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 6128728325 is about 78286.1949835346. The cubic root of 6128728325 is about 1830.0240200098.

The spelling of 6128728325 in words is "six billion, one hundred twenty-eight million, seven hundred twenty-eight thousand, three hundred twenty-five".