6504243630 has 32 divisors (see below), whose sum is σ = 15631709184. Its totient is φ = 1732073376.

The previous prime is 6504243607. The next prime is 6504243631. The reversal of 6504243630 is 363424056.

It is a junction number, because it is equal to n+sod(n) for n = 6504243591 and 6504243600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6504243631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127302 + ... + 170921.

It is an arithmetic number, because the mean of its divisors is an integer number (488490912).

Almost surely, 2^6504243630 is an apocalyptic number.

6504243630 is an abundant number, since it is smaller than the sum of its proper divisors (9127465554).

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

6504243630 is a wasteful number, since it uses less digits than its factorization.

6504243630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298960.

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

The square root of 6504243630 is about 80648.8910649117. The cubic root of 6504243630 is about 1866.6616284232.

Adding to 6504243630 its reverse (363424056), we get a palindrome (6867667686).

The spelling of 6504243630 in words is "six billion, five hundred four million, two hundred forty-three thousand, six hundred thirty".