6623210117 has 4 divisors (see below), whose sum is σ = 6630763116. Its totient is φ = 6615657120.

The previous prime is 6623210071. The next prime is 6623210173. The reversal of 6623210117 is 7110123266.

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 6114301636 + 508908481 = 78194^2 + 22559^2 .

It is a cyclic number.

It is not a de Polignac number, because 6623210117 - 2⁶ = 6623210053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6623210117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623210417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3775184 + ... + 3776937.

It is an arithmetic number, because the mean of its divisors is an integer number (1657690779).

Almost surely, 2^6623210117 is an apocalyptic number.

It is an amenable number.

6623210117 is a deficient number, since it is larger than the sum of its proper divisors (7552999).

6623210117 is an equidigital number, since it uses as much as digits as its factorization.

6623210117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552998.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 6623210117 is about 81383.1070738885. The cubic root of 6623210117 is about 1877.9737219511.

The spelling of 6623210117 in words is "six billion, six hundred twenty-three million, two hundred ten thousand, one hundred seventeen".