6243661444 has 12 divisors (see below), whose sum is σ = 10939625424. Its totient is φ = 3118054184.

The previous prime is 6243661441. The next prime is 6243661453. The reversal of 6243661444 is 4441663426.

It is a junction number, because it is equal to n+sod(n) for n = 6243661397 and 6243661406.

It is not an unprimeable number, because it can be changed into a prime (6243661441) 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, 940414 + ... + 947029.

It is an arithmetic number, because the mean of its divisors is an integer number (911635452).

Almost surely, 2^6243661444 is an apocalyptic number.

It is an amenable number.

6243661444 is a deficient number, since it is larger than the sum of its proper divisors (4695963980).

6243661444 is a wasteful number, since it uses less digits than its factorization.

6243661444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888274 (or 1888272 counting only the distinct ones).

The product of its digits is 331776, while the sum is 40.

The square root of 6243661444 is about 79016.8427868388. The cubic root of 6243661444 is about 1841.3928336265.

The spelling of 6243661444 in words is "six billion, two hundred forty-three million, six hundred sixty-one thousand, four hundred forty-four".