6624606413 has 4 divisors (see below), whose sum is σ = 6624901920. Its totient is φ = 6624310908.

The previous prime is 6624606407. The next prime is 6624606437. The reversal of 6624606413 is 3146064266.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6624606413 - 2³⁰ = 5550864589 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 (6624606493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111095 + ... + 159972.

It is an arithmetic number, because the mean of its divisors is an integer number (1656225480).

Almost surely, 2^6624606413 is an apocalyptic number.

It is an amenable number.

6624606413 is a deficient number, since it is larger than the sum of its proper divisors (295507).

6624606413 is a wasteful number, since it uses less digits than its factorization.

6624606413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295506.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 6624606413 is about 81391.6851588662. The cubic root of 6624606413 is about 1878.1056832861.

The spelling of 6624606413 in words is "six billion, six hundred twenty-four million, six hundred six thousand, four hundred thirteen".