6530812499 has 8 divisors (see below), whose sum is σ = 6817998000. Its totient is φ = 6247759392.

The previous prime is 6530812493. The next prime is 6530812507. The reversal of 6530812499 is 9942180356.

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 6530812499 - 2²⁰ = 6529763923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6530812493) 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 7 ways as a sum of consecutive naturals, for example, 1029869 + ... + 1036190.

It is an arithmetic number, because the mean of its divisors is an integer number (852249750).

Almost surely, 2^6530812499 is an apocalyptic number.

6530812499 is a deficient number, since it is larger than the sum of its proper divisors (287185501).

6530812499 is a wasteful number, since it uses less digits than its factorization.

6530812499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066197.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 6530812499 is about 80813.4425637220. The cubic root of 6530812499 is about 1869.1998539469.

The spelling of 6530812499 in words is "six billion, five hundred thirty million, eight hundred twelve thousand, four hundred ninety-nine".