6430543000 has 128 divisors (see below), whose sum is σ = 17522593920. Its totient is φ = 2163033600.

The previous prime is 6430542971. The next prime is 6430543111. The reversal of 6430543000 is 3450346.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 31 ways as a sum of consecutive naturals, for example, 362334 + ... + 379666.

It is an arithmetic number, because the mean of its divisors is an integer number (136895265).

Almost surely, 2^6430543000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6430543000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8761296960).

6430543000 is an abundant number, since it is smaller than the sum of its proper divisors (11092050920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6430543000 is a wasteful number, since it uses less digits than its factorization.

6430543000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17414 (or 17400 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 6430543000 is about 80190.6665391927. Note that the first 3 decimals coincide. The cubic root of 6430543000 is about 1859.5843484831.

Adding to 6430543000 its reverse (3450346), we get a palindrome (6433993346).

The spelling of 6430543000 in words is "six billion, four hundred thirty million, five hundred forty-three thousand".