6397637829 has 32 divisors (see below), whose sum is σ = 10192832640. Its totient is φ = 3523430400.

The previous prime is 6397637821. The next prime is 6397637833. The reversal of 6397637829 is 9287367936.

6397637829 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6397637829 - 2³ = 6397637821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397637821) 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 31 ways as a sum of consecutive naturals, for example, 180352 + ... + 212889.

It is an arithmetic number, because the mean of its divisors is an integer number (318526020).

Almost surely, 2^6397637829 is an apocalyptic number.

It is an amenable number.

6397637829 is a deficient number, since it is larger than the sum of its proper divisors (3795194811).

6397637829 is a wasteful number, since it uses less digits than its factorization.

6397637829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393301.

The product of its digits is 20575296, while the sum is 60.

The square root of 6397637829 is about 79985.2350687300. The cubic root of 6397637829 is about 1856.4070839505.

The spelling of 6397637829 in words is "six billion, three hundred ninety-seven million, six hundred thirty-seven thousand, eight hundred twenty-nine".