6744221144 has 8 divisors (see below), whose sum is σ = 12645414660. Its totient is φ = 3372110568.

The previous prime is 6744221137. The next prime is 6744221153. The reversal of 6744221144 is 4411224476.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421513814 + ... + 421513829.

Almost surely, 2^6744221144 is an apocalyptic number.

It is an amenable number.

6744221144 is a deficient number, since it is larger than the sum of its proper divisors (5901193516).

6744221144 is a wasteful number, since it uses less digits than its factorization.

6744221144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843027649 (or 843027645 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 6744221144 is about 82123.2070976286. The cubic root of 6744221144 is about 1889.3420947609.

The spelling of 6744221144 in words is "six billion, seven hundred forty-four million, two hundred twenty-one thousand, one hundred forty-four".