6623034637 has 4 divisors (see below), whose sum is σ = 6631222140. Its totient is φ = 6614847136.

The previous prime is 6623034617. The next prime is 6623034647. The reversal of 6623034637 is 7364303266.

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 4101890116 + 2521144521 = 64046^2 + 50211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6623034637 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 6623034637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623034617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4092538 + ... + 4094155.

It is an arithmetic number, because the mean of its divisors is an integer number (1657805535).

Almost surely, 2^6623034637 is an apocalyptic number.

It is an amenable number.

6623034637 is a deficient number, since it is larger than the sum of its proper divisors (8187503).

6623034637 is an equidigital number, since it uses as much as digits as its factorization.

6623034637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187502.

The product of its (nonzero) digits is 326592, while the sum is 40.

The square root of 6623034637 is about 81382.0289560294. The cubic root of 6623034637 is about 1877.9571363512.

The spelling of 6623034637 in words is "six billion, six hundred twenty-three million, thirty-four thousand, six hundred thirty-seven".