6673044621 has 8 divisors (see below), whose sum is σ = 8980546464. Its totient is φ = 4407119600.

The previous prime is 6673044613. The next prime is 6673044689. The reversal of 6673044621 is 1264403766.

It is a happy number.

6673044621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6673044621 - 2³ = 6673044613 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6673044621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6673044121) 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, 10393830 + ... + 10394471.

It is an arithmetic number, because the mean of its divisors is an integer number (1122568308).

Almost surely, 2^6673044621 is an apocalyptic number.

It is an amenable number.

6673044621 is a deficient number, since it is larger than the sum of its proper divisors (2307501843).

6673044621 is a wasteful number, since it uses less digits than its factorization.

6673044621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20788411.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 6673044621 is about 81688.7055901855. The cubic root of 6673044621 is about 1882.6720549468.

The spelling of 6673044621 in words is "six billion, six hundred seventy-three million, forty-four thousand, six hundred twenty-one".