6399152289 has 24 divisors (see below), whose sum is σ = 9308943072. Its totient is φ = 4235820480.

The previous prime is 6399152281. The next prime is 6399152327. The reversal of 6399152289 is 9822519936.

It is a happy number.

6399152289 is a `hidden beast` number, since 6 + 39 + 9 + 1 + 522 + 89 = 666.

It is not a de Polignac number, because 6399152289 - 2³ = 6399152281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6399152281) 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 23 ways as a sum of consecutive naturals, for example, 2620309 + ... + 2622749.

It is an arithmetic number, because the mean of its divisors is an integer number (387872628).

Almost surely, 2^6399152289 is an apocalyptic number.

It is an amenable number.

6399152289 is a deficient number, since it is larger than the sum of its proper divisors (2909790783).

6399152289 is a wasteful number, since it uses less digits than its factorization.

6399152289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397 (or 4394 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 6399152289 is about 79994.7016307955. The cubic root of 6399152289 is about 1856.5535563691.

The spelling of 6399152289 in words is "six billion, three hundred ninety-nine million, one hundred fifty-two thousand, two hundred eighty-nine".