6503343630 has 32 divisors (see below), whose sum is σ = 17837743104. Its totient is φ = 1486478496.

The previous prime is 6503343601. The next prime is 6503343631. The reversal of 6503343630 is 363433056.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6503343591 and 6503343600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6503343631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15483942 + ... + 15484361.

It is an arithmetic number, because the mean of its divisors is an integer number (557429472).

Almost surely, 2^6503343630 is an apocalyptic number.

6503343630 is an abundant number, since it is smaller than the sum of its proper divisors (11334399474).

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

6503343630 is a wasteful number, since it uses less digits than its factorization.

6503343630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30968320.

The product of its (nonzero) digits is 58320, while the sum is 33.

The square root of 6503343630 is about 80643.3111299381. The cubic root of 6503343630 is about 1866.5755270482.

Adding to 6503343630 its reverse (363433056), we get a palindrome (6866776686).

The spelling of 6503343630 in words is "six billion, five hundred three million, three hundred forty-three thousand, six hundred thirty".