6330729989 has 4 divisors (see below), whose sum is σ = 6344286624. Its totient is φ = 6317173356.

The previous prime is 6330729971. The next prime is 6330730027. The reversal of 6330729989 is 9899270336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6330729989 - 2¹⁶ = 6330664453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6330729589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6777617 + ... + 6778550.

It is an arithmetic number, because the mean of its divisors is an integer number (1586071656).

Almost surely, 2^6330729989 is an apocalyptic number.

It is an amenable number.

6330729989 is a deficient number, since it is larger than the sum of its proper divisors (13556635).

6330729989 is a wasteful number, since it uses less digits than its factorization.

6330729989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13556634.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The square root of 6330729989 is about 79565.8845800133. The cubic root of 6330729989 is about 1849.9128265717.

The spelling of 6330729989 in words is "six billion, three hundred thirty million, seven hundred twenty-nine thousand, nine hundred eighty-nine".