6330420645 has 16 divisors (see below), whose sum is σ = 10724477760. Its totient is φ = 3177622784.

The previous prime is 6330420637. The next prime is 6330420673. The reversal of 6330420645 is 5460240336.

It is a cyclic number.

It is not a de Polignac number, because 6330420645 - 2³ = 6330420637 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 12412335 + ... + 12412844.

It is an arithmetic number, because the mean of its divisors is an integer number (670279860).

Almost surely, 2^6330420645 is an apocalyptic number.

It is an amenable number.

6330420645 is a deficient number, since it is larger than the sum of its proper divisors (4394057115).

6330420645 is a wasteful number, since it uses less digits than its factorization.

6330420645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24825204.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 6330420645 is about 79563.9406075390. The cubic root of 6330420645 is about 1849.8826947778.

The spelling of 6330420645 in words is "six billion, three hundred thirty million, four hundred twenty thousand, six hundred forty-five".