6403233430 has 64 divisors (see below), whose sum is σ = 13390878528. Its totient is φ = 2178703360.

The previous prime is 6403233371. The next prime is 6403233433. The reversal of 6403233430 is 343323046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403233433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313614 + ... + 333406.

It is an arithmetic number, because the mean of its divisors is an integer number (209232477).

Almost surely, 2^6403233430 is an apocalyptic number.

6403233430 is an abundant number, since it is smaller than the sum of its proper divisors (6987645098).

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

6403233430 is a wasteful number, since it uses less digits than its factorization.

6403233430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001.

The product of its (nonzero) digits is 15552, while the sum is 28.

The square root of 6403233430 is about 80020.2063856374. The cubic root of 6403233430 is about 1856.9481527323.

Adding to 6403233430 its reverse (343323046), we get a palindrome (6746556476).

The spelling of 6403233430 in words is "six billion, four hundred three million, two hundred thirty-three thousand, four hundred thirty".