6396949588 has 12 divisors (see below), whose sum is σ = 11201682772. Its totient is φ = 3196468800.

The previous prime is 6396949571. The next prime is 6396949591. The reversal of 6396949588 is 8859496936.

It can be written as a sum of positive squares in 2 ways, for example, as 592338244 + 5804611344 = 24338^2 + 76188^2 .

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 3 ways as a sum of consecutive naturals, for example, 494313 + ... + 507088.

Almost surely, 2^6396949588 is an apocalyptic number.

It is an amenable number.

6396949588 is a deficient number, since it is larger than the sum of its proper divisors (4804733184).

6396949588 is a wasteful number, since it uses less digits than its factorization.

6396949588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003002 (or 1003000 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 67.

The square root of 6396949588 is about 79980.9326527267. The cubic root of 6396949588 is about 1856.3405124377.

The spelling of 6396949588 in words is "six billion, three hundred ninety-six million, nine hundred forty-nine thousand, five hundred eighty-eight".