6345530643 has 8 divisors (see below), whose sum is σ = 8906008000. Its totient is φ = 4007703528.

The previous prime is 6345530623. The next prime is 6345530669. The reversal of 6345530643 is 3460355436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6345530643 - 2¹² = 6345526547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6345530603) 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 7 ways as a sum of consecutive naturals, for example, 55662493 + ... + 55662606.

It is an arithmetic number, because the mean of its divisors is an integer number (1113251000).

Almost surely, 2^6345530643 is an apocalyptic number.

6345530643 is a deficient number, since it is larger than the sum of its proper divisors (2560477357).

6345530643 is a wasteful number, since it uses less digits than its factorization.

6345530643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111325121.

The product of its (nonzero) digits is 388800, while the sum is 39.

The square root of 6345530643 is about 79658.8390764013. The cubic root of 6345530643 is about 1851.3533455516.

The spelling of 6345530643 in words is "six billion, three hundred forty-five million, five hundred thirty thousand, six hundred forty-three".