6504972937 has 4 divisors (see below), whose sum is σ = 6540912196. Its totient is φ = 6469033680.

The previous prime is 6504972917. The next prime is 6504972979. The reversal of 6504972937 is 7392794056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178997641 + 6325975296 = 13379^2 + 79536^2 .

It is a cyclic number.

It is not a de Polignac number, because 6504972937 - 2⁷ = 6504972809 is a prime.

It is a super-2 number, since 2×6504972937² = 84629345822204811938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6504972917) 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 3 ways as a sum of consecutive naturals, for example, 17969358 + ... + 17969719.

It is an arithmetic number, because the mean of its divisors is an integer number (1635228049).

Almost surely, 2^6504972937 is an apocalyptic number.

It is an amenable number.

6504972937 is a deficient number, since it is larger than the sum of its proper divisors (35939259).

6504972937 is a wasteful number, since it uses less digits than its factorization.

6504972937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35939258.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The square root of 6504972937 is about 80653.4124324569. The cubic root of 6504972937 is about 1866.7313940813.

The spelling of 6504972937 in words is "six billion, five hundred four million, nine hundred seventy-two thousand, nine hundred thirty-seven".