6504622613 has 8 divisors (see below), whose sum is σ = 6599882880. Its totient is φ = 6409463760.

The previous prime is 6504622609. The next prime is 6504622639. The reversal of 6504622613 is 3162264056.

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 6504622613 - 2² = 6504622609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6504622673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109031 + ... + 157787.

It is an arithmetic number, because the mean of its divisors is an integer number (824985360).

Almost surely, 2^6504622613 is an apocalyptic number.

It is an amenable number.

6504622613 is a deficient number, since it is larger than the sum of its proper divisors (95260267).

6504622613 is a wasteful number, since it uses less digits than its factorization.

6504622613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50707.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 6504622613 is about 80651.2406166204. The cubic root of 6504622613 is about 1866.6978826660.

Adding to 6504622613 its reverse (3162264056), we get a palindrome (9666886669).

The spelling of 6504622613 in words is "six billion, five hundred four million, six hundred twenty-two thousand, six hundred thirteen".