6503974819 has 8 divisors (see below), whose sum is σ = 6561727200. Its totient is φ = 6446446656.

The previous prime is 6503974723. The next prime is 6503974837. The reversal of 6503974819 is 9184793056.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6503974819 - 2¹⁷ = 6503843747 is a prime.

It is a super-2 number, since 2×6503974819² = 84603376892372165522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6503974859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2487 + ... + 114079.

It is an arithmetic number, because the mean of its divisors is an integer number (820215900).

Almost surely, 2^6503974819 is an apocalyptic number.

6503974819 is a deficient number, since it is larger than the sum of its proper divisors (57752381).

6503974819 is a wasteful number, since it uses less digits than its factorization.

6503974819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112109.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 6503974819 is about 80647.2244965690. The cubic root of 6503974819 is about 1866.6359125921.

The spelling of 6503974819 in words is "six billion, five hundred three million, nine hundred seventy-four thousand, eight hundred nineteen".