6503420330 has 32 divisors (see below), whose sum is σ = 12867864768. Its totient is φ = 2346822400.

The previous prime is 6503420327. The next prime is 6503420347. The reversal of 6503420330 is 330243056.

It is a self number, because there is not a number n which added to its sum of digits gives 6503420330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211247 + ... + 240066.

It is an arithmetic number, because the mean of its divisors is an integer number (402120774).

Almost surely, 2^6503420330 is an apocalyptic number.

6503420330 is a deficient number, since it is larger than the sum of its proper divisors (6364444438).

6503420330 is a wasteful number, since it uses less digits than its factorization.

6503420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451462.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 6503420330 is about 80643.7866794460. The cubic root of 6503420330 is about 1866.5828651084.

Adding to 6503420330 its reverse (330243056), we get a palindrome (6833663386).

The spelling of 6503420330 in words is "six billion, five hundred three million, four hundred twenty thousand, three hundred thirty".