6503190530 has 16 divisors (see below), whose sum is σ = 11714628024. Its totient is φ = 2599301760.

The previous prime is 6503190511. The next prime is 6503190563. The reversal of 6503190530 is 350913056.

It can be written as a sum of positive squares in 4 ways, for example, as 5667228961 + 835961569 = 75281^2 + 28913^2 .

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 232937 + ... + 259356.

Almost surely, 2^6503190530 is an apocalyptic number.

6503190530 is a deficient number, since it is larger than the sum of its proper divisors (5211437494).

6503190530 is a wasteful number, since it uses less digits than its factorization.

6503190530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493621.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 6503190530 is about 80642.3618825739. The cubic root of 6503190530 is about 1866.5608794571.

The spelling of 6503190530 in words is "six billion, five hundred three million, one hundred ninety thousand, five hundred thirty".